doc: Updates related to Asset tracker v2 removal

Updates related to Asset tracker v2 removal.
Follow up PR for
#21175

Signed-off-by: divya pillai <[email protected]>

Author: divipillai

doc/nrf/app_dev/device_guides/thingy91/images/thingy91_mcuboot_dfu1.png

@@ -7,7 +7,7 @@ Updating the Thingy:91 firmware using the Cellular Monitor app
    :local:
    :depth: 2
 
-Thingy:91 (v1.5.0 or earlier) comes preloaded with the Asset Tracker v2 firmware and modem firmware on the nRF9160 :term:`System in Package (SiP)`, and the Connectivity bridge application firmware on the nRF52840 :term:`System on Chip (SoC)` that enable the device to use the environment sensors and track the device using :term:`Global Positioning System (GPS)`.
+Thingy:91 (v1.5.0 or earlier) comes preloaded with the nRF9160: Asset Tracker firmware and modem firmware on the nRF9160 :term:`System in Package (SiP)`, and the Connectivity bridge application firmware on the nRF52840 :term:`System on Chip (SoC)` that enable the device to use the environment sensors and track the device using :term:`Global Positioning System (GPS)`.
 The data is transmitted to nRF Cloud.
 
 .. tip::

doc/nrf/app_dev/device_guides/thingy91/thingy91_updating_fw_celmon.rst

@@ -39,13 +39,17 @@ Modem firmware
 
 The :file:`CONTENTS.txt` file in the extracted folder contains the location and names of the different firmware images.
 
-The instructions in this section show you how to program the :ref:`connectivity_bridge` application and the :ref:`nrf_cloud_multi_service` sample, as well as the modem firmware.
+The instructions in this section show you how to program the :ref:`connectivity_bridge` application and the :ref:`at_client_sample` sample, as well as the modem firmware.
 
 The data is transmitted using either LTE-M or NB-IoT.
-The :ref:`nrf_cloud_multi_service` sample first attempts to use LTE-M, then NB-IoT.
+The :ref:`at_client_sample` sample first attempts to use LTE-M, then NB-IoT.
 Check with your SIM card provider for the mode they support at your location.
 For the iBasis SIM card provided with the Thingy:91, see `iBasis IoT network coverage`_.
 
+.. tip::
+   For a more compact nRF Cloud firmware application, you can build and install the :ref:`nrf_cloud_multi_service` sample.
+   See the :ref:`building_pgming` section for more information.
+
 .. note::
    To update the Thingy:91 through USB, the nRF9160 SiP and nRF52840 SoC bootloaders must be factory-compatible.
    The bootloaders might not be factory-compatible if the nRF9160 SiP or nRF52840 SoC has been updated with an external debug probe.
@@ -346,7 +350,7 @@ Program the nRF9160 SiP application
       #. Open the folder :file:`img_fota_dfu_hex` that contains the HEX files for updating over USB.
          See the :file:`CONTENTS.txt` file for information on which file you need.
 
-      #. Select the appropriate nRF Cloud multi-service firmware file.
+      #. Select the appropriate AT Client firmware file.
 
       #. Click :guilabel:`Open`.
 
@@ -359,6 +363,11 @@ Program the nRF9160 SiP application
 
          The **MCUboot DFU** window appears.
 
+         .. figure:: images/thingy91_mcuboot_dfu1.png
+            :alt: Programmer - MCUboot DFU
+
+            Programmer - MCUboot DFU
+
       #. In the **MCUboot DFU** window, click :guilabel:`Write`.
          When the update is complete, a **Completed successfully** message appears.
       #. Scroll up in the menu on the left to the **FILE** section and click :guilabel:`Clear files`.
@@ -383,7 +392,7 @@ Program the nRF9160 SiP application
       #. Open the folder :file:`img_app_bl` that contains the HEX files for updating using a debugger.
          See the :file:`CONTENTS.txt` file for information on which file you need.
 
-      #. Select the appropriate nRF Cloud multi-service firmware file.
+      #. Select the appropriate AT Client firmware file.
 
       #. Click :guilabel:`Open`.
       #. Scroll down in the menu on the left to the **DEVICE** section and click :guilabel:`Erase & write`.

doc/nrf/app_dev/device_guides/thingy91/thingy91_updating_fw_programmer.rst

@@ -361,7 +361,7 @@ Use method priority list defined by Kconfig options and set custom timeout value
 Samples using the library
 *************************
 
-The following |NCS| applications and samples use this library:
+The following |NCS| samples use this library:
 
 * :ref:`location_sample`
 * :ref:`modem_shell_application`

doc/nrf/libraries/modem/location.rst

@@ -36,10 +36,10 @@ Asset Tracker v2
 
 .. toggle::
 
-   * The Asset Tracker v2 has beeen removed.
-     For development of Asset Tracker applications, refer to the `Asset Tracker Template <Asset Tracker Template_>`_.
+   * The Asset Tracker v2 application has been removed.
+     For development of asset tracking applications, refer to the `Asset Tracker Template <Asset Tracker Template_>`_.
 
-     The factory-programmed Asset Tracker v2 firmware is still available to program the nRF91 Series devices using the `Programmer app`_ and in the `Quick Start app`_ and the `Cellular Monitor app`_.
+     The factory-programmed Asset Tracker v2 firmware is still available to program the nRF91 Series devices using the `Programmer app`_, the `Quick Start app`_, and the `Cellular Monitor app`_.
 
 nRF5340 Audio applications
 --------------------------

doc/nrf/releases_and_maturity/migration/migration_guide_3.0.rst

@@ -255,9 +255,9 @@ Applications
 ============
 
 * Removed the Asset Tracker v2 application.
-  For development of Asset Tracker applications, refer to the `Asset Tracker Template <Asset Tracker Template_>`_.
+  For development of asset tracking applications, refer to the `Asset Tracker Template <Asset Tracker Template_>`_.
 
-  The factory-programmed Asset Tracker v2 firmware is still available to program the nRF91 Series devices using the `Programmer app`_ and in the `Quick Start app`_ and the `Cellular Monitor app`_.
+  The factory-programmed Asset Tracker v2 firmware is still available to program the nRF91 Series devices using the `Programmer app`_, `Quick Start app`_ , and the `Cellular Monitor app`_.
 
 Machine learning
 ----------------

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -92,10 +92,14 @@ Applications and samples
 .. note::
    Add details about applications and samples that use or implement the product or service.
 
-The following samples demonstrate the Memfault integration in |NCS|:
+The following application uses the Edge Impulse integration in the |NCS|:
 
-* :ref:`peripheral_mds`
-* :ref:`memfault_sample`
+* :ref:`nrf_machine_learning_app`
+
+The following samples demonstrate the Edge Impulse integration in the |NCS|:
+
+* :ref:`ei_wrapper_sample`
+* :ref:`ei_data_forwarder_sample`
 
 Library support
 ***************