Flashing unauthorized dump files or unlocking the bootloader to remove MDM carries significant risks:
You cannot flash just any dump file to a Nokia G21. Unisoc chipsets enforce strict security versioning. NOKIA G21 TA-1418 MDM DUMP FILE SECURITY PATCH ...
To permanently remove the Mobile Device Management (MDM) lock on the Nokia G21 (TA-1418) Flashing unauthorized dump files or unlocking the bootloader
Unlike temporary bypass methods (which get erased after a factory reset), using a dump file ensures the MDM lock does not return. NOKIA G21 TA-1418 MDM DUMP FILE SECURITY PATCH ...