: If the wrong patched file is used, the tablet may boot into a "Recovery" loop stating "NV Data is Corrupted." No Service
Ensure your device is properly rooted. The su command in the ADB shell must be granted on the tablet screen for the setprop command to function.
: If you are simply trying to bypass a lock or fix software glitches before a repair, you can enter recovery mode by holding Power + Volume Up + Volume Down simultaneously. Verification To check if your IMEI is currently valid or "null":
To successfully repair and patch the IMEI on this specific model, the following professional service tools and procedures are generally utilized: