Not permanent. Download the Android 12 stock firmware for RETUS and reflash only modem , fsg , and erase modemst1/2 as shown in Method 1.
Repairing the IMEI on an highlights the intersection of advanced mobile technology and strict legal frameworks. While technical tools can restore a "bricked" device's identity, these procedures should only be performed to return a phone to its original factory state, ensuring the device remains both functional and compliant with local laws. gempa GmbH xt2163-4 imei repair