Disclaimer: IMEI repair should only be performed to restore the original IMEI number of a device. Changing an IMEI to a different one is illegal in many jurisdictions. Always ensure you are compliant with local laws.

Need help identifying your exact MT6771 variant? Check the kernel version in Settings > About Phone .

If you are not a technician, consider using (e.g., Chimera, Easy JTAG, Octoplus) which automate the process safely.

Install the latest MediaTek VCOM drivers and ensure the device is powered off.

The MT6771 chipset, also known as the MediaTek Helio P60 , often requires IMEI restoration if the identification data becomes "null" or "invalid" due to software flashing or corrupted NVRAM. Legal & Safety Warning