This post is written to be helpful, technically accurate, and cautious (as modifying NVRAM can be risky). It targets users who have lost their IMEI or Wi-Fi/Bluetooth MAC addresses.
If your NVRAM is totally dead and you have no backup, use Maui META to rewrite IMEI + SN. The phone will recreate the rest on first boot. nokia g10 nvram file best
Have a working NVRAM backup? Share the method you used below – not the file. Help others help themselves. This post is written to be helpful, technically
Disclaimer: Repairing IMEI is legal only for restoring your device’s original number. Changing IMEI is a crime in most countries. Final Verdict
If you used a tool like MAUI Meta 3G or SP Flash Tool to back up your device's NVRAM partition (often named nvram.bin or similar) before the error occurred, restoring this file is the only way to guarantee 100% correct functionality.
There are dozens of shady NVRAM files floating around on sketchy forums. The "best" file must meet three criteria:
Warning: Using someone else's NVRAM file will copy their IMEI number onto your phone, which is illegal in most countries. You must use SN Writer or Maui Meta to change the IMEI back to your original one after restoration.