IMEI repair on MT6771-based devices is straightforward using MediaTek’s official tools, provided you have the original IMEI numbers and proper drivers. Always prioritize backing up the NVRAM and protect partitions before any flashing. When done correctly, network functionality can be fully restored.

Power off the device. Connect it to the PC while holding a volume button (usually Volume Down or both) until the tool detects it in META mode. Load Database: Select the (Application Processor Database) and (Modem Database) files specific to your device's firmware.

In many jurisdictions, changing or tampering with an IMEI number is . These steps should only be used to restore a device's original, valid IMEI (found on the box or under the battery) if it has become "Invalid" or "0000..." after a software update or repair. Restoration Methods Engineering Mode (No Root)

IMEI repair is legally restricted in many countries. You may only repair the IMEI to its original number (printed on the device box or back sticker). Changing an IMEI to a different number is illegal in most jurisdictions. This guide is for educational and legitimate repair purposes only.