He took a breath and typed a random string of digits, following the Luhn-like checksum formula he’d learned from the guide: and 354112098765433 .
: On many MTK devices, you can access a hidden menu by dialing a code like *#*#3646633#*#* . This menu sometimes allows for manual IMEI entry under "Connectivity" > "CDS Information" > "Radio Information". mtk imei v30 free
| Error Message / Issue | Probable Cause | Potential Solution | |---|---|---| | “DEFAULT_FAIL” | Incorrect security settings in the tool | Go to Options, check “Security USB” and “Composite Device.” | | “META_MAUI_DB_INCONSISTENT” | AP/BP database mismatch with the device | Extract fresh AP and BP files from the correct stock firmware for the specific model. | | Device not detected / COM port not found | Driver conflict or incorrect port settings | Use USBDeview to uninstall all old MediaTek drivers, then reinstall latest VCOM drivers. | | Tool crashes during writing | Windows compatibility or missing runtimes | Run tool in Windows 7 compatibility mode. Install Visual C++ Redistributables. | | IMEI still null after “success” | NVRAM partition deeper corruption | Restore NVRAM backup if available, or flash complete stock firmware (including preloader and secro). | He took a breath and typed a random
The tool places the device in "Meta Mode" (a diagnostic mode specific to MediaTek devices). Once the device is detected, the user inputs the IMEI numbers (IMEI 1 and IMEI 2 for dual-SIM devices) and clicks "Write." The tool pushes this data to the modem partition. | Error Message / Issue | Probable Cause