Fact: An OTA update will fail or worsen the corruption because it checks partition integrity.
Changing it to a random number is illegal under the FCC (US), Ofcom (UK), and EU guidelines. Carriers can blacklist repaired IMEIs if mismatched.
Moto G9 Play (codenamed Guam) shipped with two variants: moto g9 play imei repair
Check via CPU-Z or look at your baseband version in settings.
| Error | Solution |
|-------|----------|
| Status: BROM ERROR: S_BROM_CMD_STARTCMD_FAIL | Reinstall VCOM drivers, disable driver signature enforcement. |
| SN Write Tool: Failed to get IMEI | Phone is not in EDL mode. Try different key combo (Vol Up + Power). |
| Maui META: Phone not detected | Use USB 2.0 port. Try Vol Down + Power to enter Meta Mode. | Fact: An OTA update will fail or worsen
Using a PC, run the following ADB commands (ensure USB debugging is on):
adb shell
su
dd if=/dev/block/by-name/modem of=/sdcard/modem.img
dd if=/dev/block/by-name/fsg of=/sdcard/fsg.img
These are your lifelines. Store them on a PC. Check via CPU-Z or look at your baseband version in settings
If you previously made a full EFS backup (using TWRP or Partitions Backup app), you can restore it.
Requirements: Unlocked bootloader, USB debugging enabled.
Process:
Failure? Move to advanced methods.