This article explains:
The Nokia G21 TA-1418 MDM dump reveals the independent of Android OS patches. The August 2023 patch found in the dump matches Unisoc’s public fixes for T606. For security auditing, extracting this partition helps verify if the device is vulnerable to known baseband exploits, especially on older firmware builds. NOKIA G21 TA-1418 MDM DUMP FILE SECURITY PATCH ...
If your security patch is too new, sometimes you can downgrade using a leaked OTA package (e.g., from January 2024 to September 2023) in stock recovery. This changes the security patch level to match an available dump. This article explains: The Nokia G21 TA-1418 MDM
Technical communities suggest using tools like Pandora Box or Unlock Tool to perform permanent MDM removal via test points rather than ISP pinouts. If your security patch is too new, sometimes
: Addressing issues where new security updates block older bypass methods. Key Specifications of Nokia G21 (TA-1418) Bigger Screen, Longer Battery: Nokia G21 Delivers - HMD