doc: samples: suit: Testing Steps for recovery sample

Test steps for SUIT recovery sample.

Signed-off-by: Janusz Gąsior <janusz.gasior@nordicsemi.no>

doc/nrf/app_dev/device_guides/working_with_nrf/nrf54h/ug_nrf54h20_suit_recovery.rst

@@ -1,6 +1,6 @@
 .. _ug_nrf54h20_suit_recovery:
 
-Configuring and programming the SUIT manufacturer application recovery firmware
+SUIT Recovery
 ###############################################################################
 
 .. contents::

samples/suit/recovery/README.rst

@@ -93,12 +93,20 @@ Testing
 |test_sample|
 
 #. |connect_kit|
-#. Corrupt the currently running main application (for example by flashing a modified version of the application)
-#. Open the Device Manager or the nRF Connect application, and observe the device advertising as "SUIT Recovery"
-#. Recover the application using `nRF Connect Device Manager`_ in the same way as described in the :ref:`nrf54h_suit_sample` sample documentation.
+#. Corrupt the currently running main application. This can be done by overwriting the beggining of the application partition.
 
-  .. note::
-     In recovery state, `nRF Connect Device Manager`_ uses legacy mode.
+.. code-block:: console
+   nrfutil device x-write --address 0xE0A5000 --value 0xFFFF --serial-port COM7
+
+#. Reset the device to enter the recovery path.
+
+.. code-block:: console
+   nrfutil device reset --serial-port COM7
+
+#. Open the nRF Device Manager app on your mobile phone, and observe the device advertising itself now as "SUIT Recovery".
+#. Recover the application by performing update in nRF Device Manager app in the same way as described in the ``smp_transfer`` sample documentation, and by using :file:`root.suit` file from the previous build.
+#. After the update is complete, the device will reset and start the application
+#. Open the nRF Device Manager app on your mobile phone, and observe the device advertising now as "SUIT SMP Transfer".
 
 Device firmware update for recovery firmware
 ============================================