Fix for V2 DFU from Lenovo M10

Author: martinwork

app/src/main/java/com/samsung/microbit/ui/activity/ProjectActivity.java

@@ -1474,6 +1474,15 @@ private void startDFUFlash() {
                     .setKeepBond(true)
                     .setForeground(true)
                     .setZip( getCachePathAppZip());
+
+            // https://github.com/microbit-foundation/microbit-android/issues/82
+            // ? if ( Build.HARDWARE.equals("ums512_1h10")) {
+            if ( Build.MANUFACTURER.toLowerCase().contains("lenovo")
+                    && Build.DEVICE.toLowerCase().contains("tb328")) {
+                // Tested with Lenovo M10 TB328FU with Android 12 - returns mtu 247, but DFU fails
+                starter.disableMtuRequest(); // faster than setMtu(23), which also works
+            }
+
             final DfuServiceController controller = starter.start(this, DfuService.class);
         } else {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {