Disclaimer: This guide is for educational and repair purposes only. Repairing IMEI is illegal in many jurisdictions if done to change the original IMEI to a different one (cloning/spoofing). In most countries, it is only legal to restore the original IMEI that was printed on the device box/battery sticker. Proceed at your own risk. I am not responsible for any damage to your device or legal consequences.
If the NVRAM is completely wiped (e.g., after formatting flash), use this. Mt6771 Imei Repair
The progress bar crawled across the screen. 10%... 45%... 80%. The software sent the final command to write the data to the flash memory. Disclaimer: This guide is for educational and repair
Always backup your personal files, as some methods require a factory reset. Install the latest MediaTek VCOM USB drivers Proceed at your own risk
If you experience any of the above, the phone’s software has lost its identity. The hardware is likely fine, but the logical IMEI storage is corrupt.
Repairing the IMEI on an MT6771 processor requires specific tools and matching database files from your device's stock firmware.