diff --git a/README.md b/README.md
index d59dacc..73fb5c2 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Building on Windows
 
   - Download and install the latest Python 2.7 version from https://www.python.org/downloads/windows/
   - Install Microsoft Visual C++ Compiler for Python 2.7 from http://www.microsoft.com/en-us/download/details.aspx?id=44266
-  - Download and install PyQt4 for Python 2.7 from https://www.riverbankcomputing.com/software/pyqt/download 
+  - Download and install PyQt5 for Python 2.7 from https://www.riverbankcomputing.com/software/pyqt/download5 
   - Install the btchip library (open a command prompt and enter c:\python27\scripts\pip install btchip)
   
 Building/Installing on FreeBSD
diff --git a/btchip/btchipPersoWizard.py b/btchip/btchipPersoWizard.py
index 53a0e77..ad20a7e 100644
--- a/btchip/btchipPersoWizard.py
+++ b/btchip/btchipPersoWizard.py
@@ -19,8 +19,8 @@
 
 import sys
 
-from PyQt4 import QtCore, QtGui
-from PyQt4.QtGui import QDialog, QMessageBox
+from PyQt5 import QtCore, QtGui, QtWidgets
+from PyQt5.QtWidgets import QDialog, QMessageBox
 
 try:
 	from mnemonic import Mnemonic
@@ -72,7 +72,7 @@ def waitDongle(currentDialog, persoData):
 			raise Exception("Aborted by user")
 
 
-class StartBTChipPersoDialog(QtGui.QDialog):
+class StartBTChipPersoDialog(QDialog):
 
 	def __init__(self):
 		QDialog.__init__(self, None)
@@ -94,7 +94,7 @@ def processNext(self):
 	def processCancel(self):
 		self.reject()
 
-class SeedDialog(QtGui.QDialog):
+class SeedDialog(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -146,7 +146,7 @@ def processCancel(self):
 		self.reject()
 		self.persoData['main'].reject()
 
-class SecurityDialog(QtGui.QDialog):
+class SecurityDialog(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -179,7 +179,7 @@ def processCancel(self):
 		self.reject()
 		self.persoData['main'].reject()
 
-class ConfigDialog(QtGui.QDialog):
+class ConfigDialog(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -229,7 +229,7 @@ def processCancel(self):
 		self.reject()
 		self.persoData['main'].reject()
 
-class FinalizeDialog(QtGui.QDialog):
+class FinalizeDialog(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -288,7 +288,7 @@ def finish(self):
 		self.accept()
 		self.persoData['main'].accept()
 
-class SeedBackupStart(QtGui.QDialog):
+class SeedBackupStart(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -302,7 +302,7 @@ def processNext(self):
 		self.hide()
 		dialog.exec_()
 
-class SeedBackupUnplug(QtGui.QDialog):
+class SeedBackupUnplug(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -316,7 +316,7 @@ def processNext(self):
 		self.hide()
 		dialog.exec_()
 
-class SeedBackupInstructions(QtGui.QDialog):
+class SeedBackupInstructions(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -330,7 +330,7 @@ def processNext(self):
 		self.hide()
 		dialog.exec_()
 
-class SeedBackupVerify(QtGui.QDialog):
+class SeedBackupVerify(QDialog):
 
 	def __init__(self, persoData, parent = None):
 		QDialog.__init__(self, parent)
@@ -370,7 +370,7 @@ def seedKO(self):
 
 if __name__ == "__main__":
 
-	app = QtGui.QApplication(sys.argv)
+	app = QtWidgets.QApplication(sys.argv)
 	dialog = StartBTChipPersoDialog()
 	dialog.show()
 	app.exec_()
diff --git a/btchip/ui/personalization00start.py b/btchip/ui/personalization00start.py
index 0429bee..4431e65 100644
--- a/btchip/ui/personalization00start.py
+++ b/btchip/ui/personalization00start.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-00-start.ui'
 #
-# Created: Fri Sep 19 15:03:25 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 231)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(120, 20, 231, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,30 +20,31 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(20, 60, 351, 61))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(310, 200, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
-        self.arningLabel = QtGui.QLabel(Dialog)
+        self.NextButton.setObjectName("NextButton")
+        self.arningLabel = QtWidgets.QLabel(Dialog)
         self.arningLabel.setGeometry(QtCore.QRect(20, 120, 351, 81))
         self.arningLabel.setWordWrap(True)
-        self.arningLabel.setObjectName(_fromUtf8("arningLabel"))
-        self.CancelButton = QtGui.QPushButton(Dialog)
+        self.arningLabel.setObjectName("arningLabel")
+        self.CancelButton = QtWidgets.QPushButton(Dialog)
         self.CancelButton.setGeometry(QtCore.QRect(20, 200, 75, 25))
-        self.CancelButton.setObjectName(_fromUtf8("CancelButton"))
+        self.CancelButton.setObjectName("CancelButton")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Your BTChip dongle is not set up - you\'ll be able to create a new wallet, or restore an existing one, and choose your security profile.", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
-        self.arningLabel.setText(QtGui.QApplication.translate("Dialog", "Sensitive information including your dongle PIN will be exchanged during this setup phase - it is recommended to execute it on a secure computer, disconnected from any network, especially if you restore a wallet backup.", None, QtGui.QApplication.UnicodeUTF8))
-        self.CancelButton.setText(QtGui.QApplication.translate("Dialog", "Cancel", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup"))
+        self.IntroLabel.setText(_translate("Dialog", "Your BTChip dongle is not set up - you\'ll be able to create a new wallet, or restore an existing one, and choose your security profile."))
+        self.NextButton.setText(_translate("Dialog", "Next"))
+        self.arningLabel.setText(_translate("Dialog", "Sensitive information including your dongle PIN will be exchanged during this setup phase - it is recommended to execute it on a secure computer, disconnected from any network, especially if you restore a wallet backup."))
+        self.CancelButton.setText(_translate("Dialog", "Cancel"))
 
diff --git a/btchip/ui/personalization01seed.py b/btchip/ui/personalization01seed.py
index 60fa2ae..13e91c6 100644
--- a/btchip/ui/personalization01seed.py
+++ b/btchip/ui/personalization01seed.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-01-seed.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 300)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(50, 20, 311, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,52 +20,53 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(20, 60, 351, 61))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.NewWalletButton = QtGui.QRadioButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.NewWalletButton = QtWidgets.QRadioButton(Dialog)
         self.NewWalletButton.setGeometry(QtCore.QRect(20, 130, 94, 21))
         self.NewWalletButton.setChecked(True)
-        self.NewWalletButton.setObjectName(_fromUtf8("NewWalletButton"))
-        self.buttonGroup = QtGui.QButtonGroup(Dialog)
-        self.buttonGroup.setObjectName(_fromUtf8("buttonGroup"))
+        self.NewWalletButton.setObjectName("NewWalletButton")
+        self.buttonGroup = QtWidgets.QButtonGroup(Dialog)
+        self.buttonGroup.setObjectName("buttonGroup")
         self.buttonGroup.addButton(self.NewWalletButton)
-        self.RestoreWalletButton = QtGui.QRadioButton(Dialog)
+        self.RestoreWalletButton = QtWidgets.QRadioButton(Dialog)
         self.RestoreWalletButton.setGeometry(QtCore.QRect(20, 180, 171, 21))
-        self.RestoreWalletButton.setObjectName(_fromUtf8("RestoreWalletButton"))
+        self.RestoreWalletButton.setObjectName("RestoreWalletButton")
         self.buttonGroup.addButton(self.RestoreWalletButton)
-        self.seed = QtGui.QLineEdit(Dialog)
+        self.seed = QtWidgets.QLineEdit(Dialog)
         self.seed.setEnabled(False)
         self.seed.setGeometry(QtCore.QRect(50, 210, 331, 21))
-        self.seed.setEchoMode(QtGui.QLineEdit.Normal)
-        self.seed.setObjectName(_fromUtf8("seed"))
-        self.CancelButton = QtGui.QPushButton(Dialog)
+        self.seed.setEchoMode(QtWidgets.QLineEdit.Normal)
+        self.seed.setObjectName("seed")
+        self.CancelButton = QtWidgets.QPushButton(Dialog)
         self.CancelButton.setGeometry(QtCore.QRect(10, 270, 75, 25))
-        self.CancelButton.setObjectName(_fromUtf8("CancelButton"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.CancelButton.setObjectName("CancelButton")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(320, 270, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
-        self.mnemonicNotAvailableLabel = QtGui.QLabel(Dialog)
+        self.NextButton.setObjectName("NextButton")
+        self.mnemonicNotAvailableLabel = QtWidgets.QLabel(Dialog)
         self.mnemonicNotAvailableLabel.setGeometry(QtCore.QRect(130, 240, 171, 31))
         font = QtGui.QFont()
         font.setItalic(True)
         self.mnemonicNotAvailableLabel.setFont(font)
         self.mnemonicNotAvailableLabel.setWordWrap(True)
-        self.mnemonicNotAvailableLabel.setObjectName(_fromUtf8("mnemonicNotAvailableLabel"))
+        self.mnemonicNotAvailableLabel.setObjectName("mnemonicNotAvailableLabel")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup - seed", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup - seed (1/3)", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Please select an option : either create a new wallet or restore an existing one", None, QtGui.QApplication.UnicodeUTF8))
-        self.NewWalletButton.setText(QtGui.QApplication.translate("Dialog", "New Wallet", None, QtGui.QApplication.UnicodeUTF8))
-        self.RestoreWalletButton.setText(QtGui.QApplication.translate("Dialog", "Restore wallet backup", None, QtGui.QApplication.UnicodeUTF8))
-        self.seed.setPlaceholderText(QtGui.QApplication.translate("Dialog", "Enter an hexadecimal seed or a BIP 39 mnemonic code", None, QtGui.QApplication.UnicodeUTF8))
-        self.CancelButton.setText(QtGui.QApplication.translate("Dialog", "Cancel", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
-        self.mnemonicNotAvailableLabel.setText(QtGui.QApplication.translate("Dialog", "Mnemonic API is not available", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup - seed"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup - seed (1/3)"))
+        self.IntroLabel.setText(_translate("Dialog", "Please select an option : either create a new wallet or restore an existing one"))
+        self.NewWalletButton.setText(_translate("Dialog", "New Wallet"))
+        self.RestoreWalletButton.setText(_translate("Dialog", "Restore wallet backup"))
+        self.seed.setPlaceholderText(_translate("Dialog", "Enter an hexadecimal seed or a BIP 39 mnemonic code"))
+        self.CancelButton.setText(_translate("Dialog", "Cancel"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
+        self.mnemonicNotAvailableLabel.setText(_translate("Dialog", "Mnemonic API is not available"))
 
diff --git a/btchip/ui/personalization02security.py b/btchip/ui/personalization02security.py
index f65c289..c074225 100644
--- a/btchip/ui/personalization02security.py
+++ b/btchip/ui/personalization02security.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-02-security.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 503)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(20, 20, 361, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,71 +20,72 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(10, 60, 351, 61))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.HardenedButton = QtGui.QRadioButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.HardenedButton = QtWidgets.QRadioButton(Dialog)
         self.HardenedButton.setGeometry(QtCore.QRect(20, 110, 81, 21))
         self.HardenedButton.setChecked(True)
-        self.HardenedButton.setObjectName(_fromUtf8("HardenedButton"))
-        self.buttonGroup = QtGui.QButtonGroup(Dialog)
-        self.buttonGroup.setObjectName(_fromUtf8("buttonGroup"))
+        self.HardenedButton.setObjectName("HardenedButton")
+        self.buttonGroup = QtWidgets.QButtonGroup(Dialog)
+        self.buttonGroup.setObjectName("buttonGroup")
         self.buttonGroup.addButton(self.HardenedButton)
-        self.HardenedButton_2 = QtGui.QRadioButton(Dialog)
+        self.HardenedButton_2 = QtWidgets.QRadioButton(Dialog)
         self.HardenedButton_2.setGeometry(QtCore.QRect(20, 210, 81, 21))
-        self.HardenedButton_2.setObjectName(_fromUtf8("HardenedButton_2"))
+        self.HardenedButton_2.setObjectName("HardenedButton_2")
         self.buttonGroup.addButton(self.HardenedButton_2)
-        self.IntroLabel_2 = QtGui.QLabel(Dialog)
+        self.IntroLabel_2 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_2.setGeometry(QtCore.QRect(50, 140, 351, 61))
         self.IntroLabel_2.setWordWrap(True)
-        self.IntroLabel_2.setObjectName(_fromUtf8("IntroLabel_2"))
-        self.IntroLabel_3 = QtGui.QLabel(Dialog)
+        self.IntroLabel_2.setObjectName("IntroLabel_2")
+        self.IntroLabel_3 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_3.setGeometry(QtCore.QRect(50, 230, 351, 61))
         self.IntroLabel_3.setWordWrap(True)
-        self.IntroLabel_3.setObjectName(_fromUtf8("IntroLabel_3"))
-        self.CancelButton = QtGui.QPushButton(Dialog)
+        self.IntroLabel_3.setObjectName("IntroLabel_3")
+        self.CancelButton = QtWidgets.QPushButton(Dialog)
         self.CancelButton.setGeometry(QtCore.QRect(10, 470, 75, 25))
-        self.CancelButton.setObjectName(_fromUtf8("CancelButton"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.CancelButton.setObjectName("CancelButton")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(310, 470, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
-        self.IntroLabel_4 = QtGui.QLabel(Dialog)
+        self.NextButton.setObjectName("NextButton")
+        self.IntroLabel_4 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_4.setGeometry(QtCore.QRect(10, 300, 351, 61))
         self.IntroLabel_4.setWordWrap(True)
-        self.IntroLabel_4.setObjectName(_fromUtf8("IntroLabel_4"))
-        self.IntroLabel_5 = QtGui.QLabel(Dialog)
+        self.IntroLabel_4.setObjectName("IntroLabel_4")
+        self.IntroLabel_5 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_5.setGeometry(QtCore.QRect(20, 380, 161, 31))
         self.IntroLabel_5.setWordWrap(True)
-        self.IntroLabel_5.setObjectName(_fromUtf8("IntroLabel_5"))
-        self.pin1 = QtGui.QLineEdit(Dialog)
+        self.IntroLabel_5.setObjectName("IntroLabel_5")
+        self.pin1 = QtWidgets.QLineEdit(Dialog)
         self.pin1.setGeometry(QtCore.QRect(210, 380, 161, 21))
-        self.pin1.setEchoMode(QtGui.QLineEdit.Password)
-        self.pin1.setObjectName(_fromUtf8("pin1"))
-        self.pin2 = QtGui.QLineEdit(Dialog)
+        self.pin1.setEchoMode(QtWidgets.QLineEdit.Password)
+        self.pin1.setObjectName("pin1")
+        self.pin2 = QtWidgets.QLineEdit(Dialog)
         self.pin2.setGeometry(QtCore.QRect(210, 420, 161, 21))
-        self.pin2.setEchoMode(QtGui.QLineEdit.Password)
-        self.pin2.setObjectName(_fromUtf8("pin2"))
-        self.IntroLabel_6 = QtGui.QLabel(Dialog)
+        self.pin2.setEchoMode(QtWidgets.QLineEdit.Password)
+        self.pin2.setObjectName("pin2")
+        self.IntroLabel_6 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_6.setGeometry(QtCore.QRect(20, 420, 171, 31))
         self.IntroLabel_6.setWordWrap(True)
-        self.IntroLabel_6.setObjectName(_fromUtf8("IntroLabel_6"))
+        self.IntroLabel_6.setObjectName("IntroLabel_6")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup - security", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup - security (2/3)", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Please choose a security profile", None, QtGui.QApplication.UnicodeUTF8))
-        self.HardenedButton.setText(QtGui.QApplication.translate("Dialog", "Hardened", None, QtGui.QApplication.UnicodeUTF8))
-        self.HardenedButton_2.setText(QtGui.QApplication.translate("Dialog", "PIN only", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_2.setText(QtGui.QApplication.translate("Dialog", "You need to remove the dongle and insert it again to get a second factor validation of all operations. Recommended for expert users and to be fully protected against malwares.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_3.setText(QtGui.QApplication.translate("Dialog", "You only need to enter a PIN once when inserting the dongle. Transactions are not protected against malwares", None, QtGui.QApplication.UnicodeUTF8))
-        self.CancelButton.setText(QtGui.QApplication.translate("Dialog", "Cancel", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_4.setText(QtGui.QApplication.translate("Dialog", "Please choose a PIN associated to the BTChip dongle. The PIN protects the dongle in case it is stolen, and can be up to 32 characters. The dongle is wiped  if a wrong PIN is entered 3 times in a row.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_5.setText(QtGui.QApplication.translate("Dialog", "Enter the new PIN : ", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_6.setText(QtGui.QApplication.translate("Dialog", "Repeat the new PIN :", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup - security"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup - security (2/3)"))
+        self.IntroLabel.setText(_translate("Dialog", "Please choose a security profile"))
+        self.HardenedButton.setText(_translate("Dialog", "Hardened"))
+        self.HardenedButton_2.setText(_translate("Dialog", "PIN only"))
+        self.IntroLabel_2.setText(_translate("Dialog", "You need to remove the dongle and insert it again to get a second factor validation of all operations. Recommended for expert users and to be fully protected against malwares."))
+        self.IntroLabel_3.setText(_translate("Dialog", "You only need to enter a PIN once when inserting the dongle. Transactions are not protected against malwares"))
+        self.CancelButton.setText(_translate("Dialog", "Cancel"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
+        self.IntroLabel_4.setText(_translate("Dialog", "Please choose a PIN associated to the BTChip dongle. The PIN protects the dongle in case it is stolen, and can be up to 32 characters. The dongle is wiped  if a wrong PIN is entered 3 times in a row."))
+        self.IntroLabel_5.setText(_translate("Dialog", "Enter the new PIN : "))
+        self.IntroLabel_6.setText(_translate("Dialog", "Repeat the new PIN :"))
 
diff --git a/btchip/ui/personalization03config.py b/btchip/ui/personalization03config.py
index 02d96e5..7523799 100644
--- a/btchip/ui/personalization03config.py
+++ b/btchip/ui/personalization03config.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-03-config.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 243)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(30, 10, 361, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,43 +20,44 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(20, 50, 351, 61))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.qwertyButton = QtGui.QRadioButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.qwertyButton = QtWidgets.QRadioButton(Dialog)
         self.qwertyButton.setGeometry(QtCore.QRect(50, 110, 94, 21))
         self.qwertyButton.setChecked(True)
-        self.qwertyButton.setObjectName(_fromUtf8("qwertyButton"))
-        self.keyboardGroup = QtGui.QButtonGroup(Dialog)
-        self.keyboardGroup.setObjectName(_fromUtf8("keyboardGroup"))
+        self.qwertyButton.setObjectName("qwertyButton")
+        self.keyboardGroup = QtWidgets.QButtonGroup(Dialog)
+        self.keyboardGroup.setObjectName("keyboardGroup")
         self.keyboardGroup.addButton(self.qwertyButton)
-        self.qwertzButton = QtGui.QRadioButton(Dialog)
+        self.qwertzButton = QtWidgets.QRadioButton(Dialog)
         self.qwertzButton.setGeometry(QtCore.QRect(50, 140, 94, 21))
-        self.qwertzButton.setObjectName(_fromUtf8("qwertzButton"))
+        self.qwertzButton.setObjectName("qwertzButton")
         self.keyboardGroup.addButton(self.qwertzButton)
-        self.azertyButton = QtGui.QRadioButton(Dialog)
+        self.azertyButton = QtWidgets.QRadioButton(Dialog)
         self.azertyButton.setGeometry(QtCore.QRect(50, 170, 94, 21))
-        self.azertyButton.setObjectName(_fromUtf8("azertyButton"))
+        self.azertyButton.setObjectName("azertyButton")
         self.keyboardGroup.addButton(self.azertyButton)
-        self.CancelButton = QtGui.QPushButton(Dialog)
+        self.CancelButton = QtWidgets.QPushButton(Dialog)
         self.CancelButton.setGeometry(QtCore.QRect(10, 210, 75, 25))
-        self.CancelButton.setObjectName(_fromUtf8("CancelButton"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.CancelButton.setObjectName("CancelButton")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(320, 210, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
+        self.NextButton.setObjectName("NextButton")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup - config (3/3)", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Please select your keyboard type to type the second factor confirmation", None, QtGui.QApplication.UnicodeUTF8))
-        self.qwertyButton.setText(QtGui.QApplication.translate("Dialog", "QWERTY", None, QtGui.QApplication.UnicodeUTF8))
-        self.qwertzButton.setText(QtGui.QApplication.translate("Dialog", "QWERTZ", None, QtGui.QApplication.UnicodeUTF8))
-        self.azertyButton.setText(QtGui.QApplication.translate("Dialog", "AZERTY", None, QtGui.QApplication.UnicodeUTF8))
-        self.CancelButton.setText(QtGui.QApplication.translate("Dialog", "Cancel", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup - config (3/3)"))
+        self.IntroLabel.setText(_translate("Dialog", "Please select your keyboard type to type the second factor confirmation"))
+        self.qwertyButton.setText(_translate("Dialog", "QWERTY"))
+        self.qwertzButton.setText(_translate("Dialog", "QWERTZ"))
+        self.azertyButton.setText(_translate("Dialog", "AZERTY"))
+        self.CancelButton.setText(_translate("Dialog", "Cancel"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
 
diff --git a/btchip/ui/personalization04finalize.py b/btchip/ui/personalization04finalize.py
index 00f20d3..67ca2b1 100644
--- a/btchip/ui/personalization04finalize.py
+++ b/btchip/ui/personalization04finalize.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-04-finalize.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 267)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(20, 20, 361, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,38 +20,39 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.FinishButton = QtGui.QPushButton(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.FinishButton = QtWidgets.QPushButton(Dialog)
         self.FinishButton.setGeometry(QtCore.QRect(320, 230, 75, 25))
-        self.FinishButton.setObjectName(_fromUtf8("FinishButton"))
-        self.IntroLabel_4 = QtGui.QLabel(Dialog)
+        self.FinishButton.setObjectName("FinishButton")
+        self.IntroLabel_4 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_4.setGeometry(QtCore.QRect(10, 70, 351, 61))
         self.IntroLabel_4.setWordWrap(True)
-        self.IntroLabel_4.setObjectName(_fromUtf8("IntroLabel_4"))
-        self.IntroLabel_5 = QtGui.QLabel(Dialog)
+        self.IntroLabel_4.setObjectName("IntroLabel_4")
+        self.IntroLabel_5 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_5.setGeometry(QtCore.QRect(50, 140, 121, 21))
         self.IntroLabel_5.setWordWrap(True)
-        self.IntroLabel_5.setObjectName(_fromUtf8("IntroLabel_5"))
-        self.pin1 = QtGui.QLineEdit(Dialog)
+        self.IntroLabel_5.setObjectName("IntroLabel_5")
+        self.pin1 = QtWidgets.QLineEdit(Dialog)
         self.pin1.setGeometry(QtCore.QRect(200, 140, 181, 21))
-        self.pin1.setEchoMode(QtGui.QLineEdit.Password)
-        self.pin1.setObjectName(_fromUtf8("pin1"))
-        self.remainingAttemptsLabel = QtGui.QLabel(Dialog)
+        self.pin1.setEchoMode(QtWidgets.QLineEdit.Password)
+        self.pin1.setObjectName("pin1")
+        self.remainingAttemptsLabel = QtWidgets.QLabel(Dialog)
         self.remainingAttemptsLabel.setGeometry(QtCore.QRect(120, 170, 171, 31))
         font = QtGui.QFont()
         font.setItalic(True)
         self.remainingAttemptsLabel.setFont(font)
         self.remainingAttemptsLabel.setWordWrap(True)
-        self.remainingAttemptsLabel.setObjectName(_fromUtf8("remainingAttemptsLabel"))
+        self.remainingAttemptsLabel.setObjectName("remainingAttemptsLabel")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup - security", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup - completed", None, QtGui.QApplication.UnicodeUTF8))
-        self.FinishButton.setText(QtGui.QApplication.translate("Dialog", "Finish", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_4.setText(QtGui.QApplication.translate("Dialog", "BTChip setup is completed. Please enter your PIN to validate it then press Finish", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_5.setText(QtGui.QApplication.translate("Dialog", "BTChip PIN :", None, QtGui.QApplication.UnicodeUTF8))
-        self.remainingAttemptsLabel.setText(QtGui.QApplication.translate("Dialog", "Remaining attempts", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup - security"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup - completed"))
+        self.FinishButton.setText(_translate("Dialog", "Finish"))
+        self.IntroLabel_4.setText(_translate("Dialog", "BTChip setup is completed. Please enter your PIN to validate it then press Finish"))
+        self.IntroLabel_5.setText(_translate("Dialog", "BTChip PIN :"))
+        self.remainingAttemptsLabel.setText(_translate("Dialog", "Remaining attempts"))
 
diff --git a/btchip/ui/personalizationseedbackup01.py b/btchip/ui/personalizationseedbackup01.py
index fb1ccbe..4da86ce 100644
--- a/btchip/ui/personalizationseedbackup01.py
+++ b/btchip/ui/personalizationseedbackup01.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-seedbackup-01.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 300)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(30, 20, 351, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,23 +20,23 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(320, 270, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.NextButton.setObjectName("NextButton")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(10, 100, 351, 31))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.IntroLabel_2 = QtGui.QLabel(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.IntroLabel_2 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_2.setGeometry(QtCore.QRect(10, 140, 351, 31))
         self.IntroLabel_2.setWordWrap(True)
-        self.IntroLabel_2.setObjectName(_fromUtf8("IntroLabel_2"))
-        self.IntroLabel_3 = QtGui.QLabel(Dialog)
+        self.IntroLabel_2.setObjectName("IntroLabel_2")
+        self.IntroLabel_3 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_3.setGeometry(QtCore.QRect(10, 180, 351, 41))
         self.IntroLabel_3.setWordWrap(True)
-        self.IntroLabel_3.setObjectName(_fromUtf8("IntroLabel_3"))
-        self.TitleLabel_2 = QtGui.QLabel(Dialog)
+        self.IntroLabel_3.setObjectName("IntroLabel_3")
+        self.TitleLabel_2 = QtWidgets.QLabel(Dialog)
         self.TitleLabel_2.setGeometry(QtCore.QRect(90, 60, 251, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -50,22 +44,23 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel_2.setFont(font)
-        self.TitleLabel_2.setObjectName(_fromUtf8("TitleLabel_2"))
-        self.IntroLabel_4 = QtGui.QLabel(Dialog)
+        self.TitleLabel_2.setObjectName("TitleLabel_2")
+        self.IntroLabel_4 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_4.setGeometry(QtCore.QRect(10, 220, 351, 41))
         self.IntroLabel_4.setWordWrap(True)
-        self.IntroLabel_4.setObjectName(_fromUtf8("IntroLabel_4"))
+        self.IntroLabel_4.setObjectName("IntroLabel_4")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup  - seed backup", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "A new seed has been generated for your wallet.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_2.setText(QtGui.QApplication.translate("Dialog", "You must backup this seed and keep it out of reach of hackers (typically by keeping it on paper).", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_3.setText(QtGui.QApplication.translate("Dialog", "You can use this seed to restore your dongle if you lose it or access your funds with any other compatible wallet.", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel_2.setText(QtGui.QApplication.translate("Dialog", "READ CAREFULLY", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_4.setText(QtGui.QApplication.translate("Dialog", "Press Next to start the backuping process.", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup  - seed backup"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
+        self.IntroLabel.setText(_translate("Dialog", "A new seed has been generated for your wallet."))
+        self.IntroLabel_2.setText(_translate("Dialog", "You must backup this seed and keep it out of reach of hackers (typically by keeping it on paper)."))
+        self.IntroLabel_3.setText(_translate("Dialog", "You can use this seed to restore your dongle if you lose it or access your funds with any other compatible wallet."))
+        self.TitleLabel_2.setText(_translate("Dialog", "READ CAREFULLY"))
+        self.IntroLabel_4.setText(_translate("Dialog", "Press Next to start the backuping process."))
 
diff --git a/btchip/ui/personalizationseedbackup02.py b/btchip/ui/personalizationseedbackup02.py
index 164aa9c..3faab11 100644
--- a/btchip/ui/personalizationseedbackup02.py
+++ b/btchip/ui/personalizationseedbackup02.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-seedbackup-02.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 300)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(30, 20, 351, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,21 +20,22 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(20, 70, 351, 31))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(320, 270, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
+        self.NextButton.setObjectName("NextButton")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup  - seed backup", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Please disconnect the dongle then press Next", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup  - seed backup"))
+        self.IntroLabel.setText(_translate("Dialog", "Please disconnect the dongle then press Next"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
 
diff --git a/btchip/ui/personalizationseedbackup03.py b/btchip/ui/personalizationseedbackup03.py
index bb10689..472529f 100644
--- a/btchip/ui/personalizationseedbackup03.py
+++ b/btchip/ui/personalizationseedbackup03.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-seedbackup-03.ui'
 #
-# Created: Thu Aug 28 22:26:22 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(400, 513)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(20, 10, 351, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,51 +20,52 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(20, 50, 351, 61))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.IntroLabel_2 = QtGui.QLabel(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.IntroLabel_2 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_2.setGeometry(QtCore.QRect(20, 120, 351, 31))
         self.IntroLabel_2.setWordWrap(True)
-        self.IntroLabel_2.setObjectName(_fromUtf8("IntroLabel_2"))
-        self.IntroLabel_3 = QtGui.QLabel(Dialog)
+        self.IntroLabel_2.setObjectName("IntroLabel_2")
+        self.IntroLabel_3 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_3.setGeometry(QtCore.QRect(20, 160, 351, 51))
         self.IntroLabel_3.setWordWrap(True)
-        self.IntroLabel_3.setObjectName(_fromUtf8("IntroLabel_3"))
-        self.IntroLabel_4 = QtGui.QLabel(Dialog)
+        self.IntroLabel_3.setObjectName("IntroLabel_3")
+        self.IntroLabel_4 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_4.setGeometry(QtCore.QRect(20, 220, 351, 51))
         self.IntroLabel_4.setWordWrap(True)
-        self.IntroLabel_4.setObjectName(_fromUtf8("IntroLabel_4"))
-        self.IntroLabel_5 = QtGui.QLabel(Dialog)
+        self.IntroLabel_4.setObjectName("IntroLabel_4")
+        self.IntroLabel_5 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_5.setGeometry(QtCore.QRect(20, 280, 351, 71))
         self.IntroLabel_5.setWordWrap(True)
-        self.IntroLabel_5.setObjectName(_fromUtf8("IntroLabel_5"))
-        self.IntroLabel_6 = QtGui.QLabel(Dialog)
+        self.IntroLabel_5.setObjectName("IntroLabel_5")
+        self.IntroLabel_6 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_6.setGeometry(QtCore.QRect(20, 350, 351, 51))
         self.IntroLabel_6.setWordWrap(True)
-        self.IntroLabel_6.setObjectName(_fromUtf8("IntroLabel_6"))
-        self.IntroLabel_7 = QtGui.QLabel(Dialog)
+        self.IntroLabel_6.setObjectName("IntroLabel_6")
+        self.IntroLabel_7 = QtWidgets.QLabel(Dialog)
         self.IntroLabel_7.setGeometry(QtCore.QRect(20, 410, 351, 51))
         self.IntroLabel_7.setWordWrap(True)
-        self.IntroLabel_7.setObjectName(_fromUtf8("IntroLabel_7"))
-        self.NextButton = QtGui.QPushButton(Dialog)
+        self.IntroLabel_7.setObjectName("IntroLabel_7")
+        self.NextButton = QtWidgets.QPushButton(Dialog)
         self.NextButton.setGeometry(QtCore.QRect(310, 480, 75, 25))
-        self.NextButton.setObjectName(_fromUtf8("NextButton"))
+        self.NextButton.setObjectName("NextButton")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup  - seed backup", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "If you do not trust this computer, perform the following steps on a trusted one or a different device. Anything supporting keyboard input will work (smartphone, TV box ...)", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_2.setText(QtGui.QApplication.translate("Dialog", "Open a text editor, set the focus on the text editor, then insert the dongle", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_3.setText(QtGui.QApplication.translate("Dialog", "After a very short time, the dongle will type the seed as hexadecimal (0..9 A..F) characters, starting with \"seed\" and ending with \"X\"", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_4.setText(QtGui.QApplication.translate("Dialog", "If you perform those steps on Windows, a new device driver will be loaded the first time and the seed will not be typed. This is normal.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_5.setText(QtGui.QApplication.translate("Dialog", "If you perform those steps on Mac, you\'ll get a popup asking you to select a keyboard type the first time and the seed will not be typed. This is normal, just close the popup.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_6.setText(QtGui.QApplication.translate("Dialog", "If you did not see the seed for any reason, keep the focus on the text editor, unplug and plug the dongle again twice.", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel_7.setText(QtGui.QApplication.translate("Dialog", "Then press Next once you wrote the seed to a safe medium (i.e. paper) and unplugged the dongle", None, QtGui.QApplication.UnicodeUTF8))
-        self.NextButton.setText(QtGui.QApplication.translate("Dialog", "Next", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup  - seed backup"))
+        self.IntroLabel.setText(_translate("Dialog", "If you do not trust this computer, perform the following steps on a trusted one or a different device. Anything supporting keyboard input will work (smartphone, TV box ...)"))
+        self.IntroLabel_2.setText(_translate("Dialog", "Open a text editor, set the focus on the text editor, then insert the dongle"))
+        self.IntroLabel_3.setText(_translate("Dialog", "After a very short time, the dongle will type the seed as hexadecimal (0..9 A..F) characters, starting with \"seed\" and ending with \"X\""))
+        self.IntroLabel_4.setText(_translate("Dialog", "If you perform those steps on Windows, a new device driver will be loaded the first time and the seed will not be typed. This is normal."))
+        self.IntroLabel_5.setText(_translate("Dialog", "If you perform those steps on Mac, you\'ll get a popup asking you to select a keyboard type the first time and the seed will not be typed. This is normal, just close the popup."))
+        self.IntroLabel_6.setText(_translate("Dialog", "If you did not see the seed for any reason, keep the focus on the text editor, unplug and plug the dongle again twice."))
+        self.IntroLabel_7.setText(_translate("Dialog", "Then press Next once you wrote the seed to a safe medium (i.e. paper) and unplugged the dongle"))
+        self.NextButton.setText(_translate("Dialog", "Next"))
 
diff --git a/btchip/ui/personalizationseedbackup04.py b/btchip/ui/personalizationseedbackup04.py
index e2db35f..6b335b0 100644
--- a/btchip/ui/personalizationseedbackup04.py
+++ b/btchip/ui/personalizationseedbackup04.py
@@ -2,23 +2,17 @@
 
 # Form implementation generated from reading ui file 'personalization-seedbackup-04.ui'
 #
-# Created: Thu Aug 28 22:26:23 2014
-#      by: PyQt4 UI code generator 4.9.1
+# Created by: PyQt5 UI code generator 5.7
 #
 # WARNING! All changes made in this file will be lost!
 
-from PyQt4 import QtCore, QtGui
-
-try:
-    _fromUtf8 = QtCore.QString.fromUtf8
-except AttributeError:
-    _fromUtf8 = lambda s: s
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 class Ui_Dialog(object):
     def setupUi(self, Dialog):
-        Dialog.setObjectName(_fromUtf8("Dialog"))
+        Dialog.setObjectName("Dialog")
         Dialog.resize(554, 190)
-        self.TitleLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel = QtWidgets.QLabel(Dialog)
         self.TitleLabel.setGeometry(QtCore.QRect(30, 10, 351, 31))
         font = QtGui.QFont()
         font.setPointSize(20)
@@ -26,25 +20,26 @@ def setupUi(self, Dialog):
         font.setItalic(True)
         font.setWeight(75)
         self.TitleLabel.setFont(font)
-        self.TitleLabel.setObjectName(_fromUtf8("TitleLabel"))
-        self.IntroLabel = QtGui.QLabel(Dialog)
+        self.TitleLabel.setObjectName("TitleLabel")
+        self.IntroLabel = QtWidgets.QLabel(Dialog)
         self.IntroLabel.setGeometry(QtCore.QRect(10, 50, 351, 51))
         self.IntroLabel.setWordWrap(True)
-        self.IntroLabel.setObjectName(_fromUtf8("IntroLabel"))
-        self.seedOkButton = QtGui.QPushButton(Dialog)
+        self.IntroLabel.setObjectName("IntroLabel")
+        self.seedOkButton = QtWidgets.QPushButton(Dialog)
         self.seedOkButton.setGeometry(QtCore.QRect(20, 140, 501, 25))
-        self.seedOkButton.setObjectName(_fromUtf8("seedOkButton"))
-        self.seedKoButton = QtGui.QPushButton(Dialog)
+        self.seedOkButton.setObjectName("seedOkButton")
+        self.seedKoButton = QtWidgets.QPushButton(Dialog)
         self.seedKoButton.setGeometry(QtCore.QRect(20, 110, 501, 25))
-        self.seedKoButton.setObjectName(_fromUtf8("seedKoButton"))
+        self.seedKoButton.setObjectName("seedKoButton")
 
         self.retranslateUi(Dialog)
         QtCore.QMetaObject.connectSlotsByName(Dialog)
 
     def retranslateUi(self, Dialog):
-        Dialog.setWindowTitle(QtGui.QApplication.translate("Dialog", "BTChip setup", None, QtGui.QApplication.UnicodeUTF8))
-        self.TitleLabel.setText(QtGui.QApplication.translate("Dialog", "BTChip setup  - seed backup", None, QtGui.QApplication.UnicodeUTF8))
-        self.IntroLabel.setText(QtGui.QApplication.translate("Dialog", "Did you see the seed correctly displayed and did you backup it properly ?", None, QtGui.QApplication.UnicodeUTF8))
-        self.seedOkButton.setText(QtGui.QApplication.translate("Dialog", "Yes, the seed is backed up properly and kept in a safe place, move on", None, QtGui.QApplication.UnicodeUTF8))
-        self.seedKoButton.setText(QtGui.QApplication.translate("Dialog", "No, I didn\'t see the seed. Wipe the dongle and start over", None, QtGui.QApplication.UnicodeUTF8))
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "BTChip setup"))
+        self.TitleLabel.setText(_translate("Dialog", "BTChip setup  - seed backup"))
+        self.IntroLabel.setText(_translate("Dialog", "Did you see the seed correctly displayed and did you backup it properly ?"))
+        self.seedOkButton.setText(_translate("Dialog", "Yes, the seed is backed up properly and kept in a safe place, move on"))
+        self.seedKoButton.setText(_translate("Dialog", "No, I didn\'t see the seed. Wipe the dongle and start over"))
 
diff --git a/ui/make.sh b/ui/make.sh
index 24119f9..1d454e8 100755
--- a/ui/make.sh
+++ b/ui/make.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
-pyuic4 personalization-00-start.ui -o ../btchip/ui/personalization00start.py
-pyuic4 personalization-01-seed.ui -o ../btchip/ui/personalization01seed.py
-pyuic4 personalization-02-security.ui -o ../btchip/ui/personalization02security.py
-pyuic4 personalization-03-config.ui -o ../btchip/ui/personalization03config.py
-pyuic4 personalization-04-finalize.ui -o ../btchip/ui/personalization04finalize.py
-pyuic4 personalization-seedbackup-01.ui -o ../btchip/ui/personalizationseedbackup01.py
-pyuic4 personalization-seedbackup-02.ui -o ../btchip/ui/personalizationseedbackup02.py
-pyuic4 personalization-seedbackup-03.ui -o ../btchip/ui/personalizationseedbackup03.py
-pyuic4 personalization-seedbackup-04.ui -o ../btchip/ui/personalizationseedbackup04.py
+pyuic5 personalization-00-start.ui -o ../btchip/ui/personalization00start.py
+pyuic5 personalization-01-seed.ui -o ../btchip/ui/personalization01seed.py
+pyuic5 personalization-02-security.ui -o ../btchip/ui/personalization02security.py
+pyuic5 personalization-03-config.ui -o ../btchip/ui/personalization03config.py
+pyuic5 personalization-04-finalize.ui -o ../btchip/ui/personalization04finalize.py
+pyuic5 personalization-seedbackup-01.ui -o ../btchip/ui/personalizationseedbackup01.py
+pyuic5 personalization-seedbackup-02.ui -o ../btchip/ui/personalizationseedbackup02.py
+pyuic5 personalization-seedbackup-03.ui -o ../btchip/ui/personalizationseedbackup03.py
+pyuic5 personalization-seedbackup-04.ui -o ../btchip/ui/personalizationseedbackup04.py