UnlockTool repairs IMEI via , not normal or fastboot mode.
| Error | Cause | Solution | |-------|-------|----------| | BROM: 0xFE0 | Incorrect driver/preloader | Reinstall Mediatek VCOM drivers; use USB 2.0 port | | S_BROM_CMD_START_FAIL | Cable or power issue | Try shorting test points (KCOL0-KROW0) to force BROM | | IMEI write fails – permission | Bootloader locked | Unlock bootloader via Mi Unlock first | | NVRAM checksum error after reboot | NVRAM not repaired | Repeat with "Repair NVRAM" + "Format NVRAM" (use backup) | | Tool requires credits | No active license | Purchase credits via UnlockTool panel |
Follow these steps exactly. Do not disconnect the phone during the process.
Are you currently facing a (like "NVData is corrupted") during the process?
UnlockTool repairs IMEI via , not normal or fastboot mode.
| Error | Cause | Solution | |-------|-------|----------| | BROM: 0xFE0 | Incorrect driver/preloader | Reinstall Mediatek VCOM drivers; use USB 2.0 port | | S_BROM_CMD_START_FAIL | Cable or power issue | Try shorting test points (KCOL0-KROW0) to force BROM | | IMEI write fails – permission | Bootloader locked | Unlock bootloader via Mi Unlock first | | NVRAM checksum error after reboot | NVRAM not repaired | Repeat with "Repair NVRAM" + "Format NVRAM" (use backup) | | Tool requires credits | No active license | Purchase credits via UnlockTool panel |
Follow these steps exactly. Do not disconnect the phone during the process.
Are you currently facing a (like "NVData is corrupted") during the process?
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