Across forums, a method repeated: reconstruct the IMEI using the device’s original product code and manufacturer ranges. He cross-checked the model code, the chipset ID, and a database of allocation ranges. The numbers coaxed a likely IMEI into shape: plausible, consistent with the hardware. Still, it nagged—would restoring a derived IMEI be right? Unauthorized rewrites had legal and ethical edges.
Turn off your phone, and while keeping it off, connect it to the computer via USB cable. The tool will automatically detect the phone in Meta Mode and write the IMEI. Pass: A green "PASS" message indicates success. Method B: Using Chimera Tool (Premium Tool)
The Maui Meta tool is the official MediaTek engineering utility used to write IMEI information directly to the NVRAM database. Step 1: Gather Required Files Download and install the latest version of .
If you have questions about the for your firmware or need help identifying the correct IMEI number , I can guide you further. Mt6771 Imei Repair
Click "Start Procedure". The software will automatically flash the necessary NVRAM data. Method C: Engineer Mode (Root Required - Temporary)
| Problem | Solution | |---------|----------| | SN Write Tool stuck at “Waiting for phone” | Reinstall VCOM drivers; try different USB port; ensure device is powered off. | | Maui META fails to connect | Enable “USB debugging” and “META mode” in developer options (if available). | | IMEI reverts after reboot | NVRAM is write-protected; format NVRAM first or use SP Flash Tool with “Format All + Download” (⚠️ risky). | | No service after IMEI repair | Check baseband version; reflash modem or ltecfg partition. |
Go to the partition list. Double-click the empty location field next to nvram and select your saved nvram.img file. Do the same for nvdata with nvdata.img . Across forums, a method repeated: reconstruct the IMEI
Required to filter the MediaTek USB port and bypass the secure boot hardware protections.
Do not pay shady online services that ask for remote access to your PC. The tools above are free and official from MediaTek. With patience and the correct drivers, you can fix the "Invalid IMEI" issue on your Helio P60 device in under 10 minutes.
SN Write Tool is another official MediaTek utility designed to write serial numbers and IMEIs to factory-flashed devices. It is more reliable than Maui META for certain MT6771 variants (e.g., Tecno and Infinix). Still, it nagged—would restoring a derived IMEI be right
: Install the latest MTK USB VCOM Drivers on your PC so your computer can communicate with the phone in "Meta Mode" or "Preloader Mode".
Power off the phone, hold both volume buttons, and connect the USB cable.
