When the IMEI becomes 0049... or null, the phone cannot authenticate with cellular networks. Repairing it involves writing the original, legitimate IMEI back into the device's modem partition. This usually involves two steps: Writing the correct numbers back.

Only flash custom ROMs from trusted sources. Conclusion

Click "Repair" or "Write" and follow prompt instructions, which may require booting the phone into a specific diagnostics mode (Meta Mode, EDL Mode, or Fastboot). Method 2: NVRAM / EFS Restoration via Custom Recovery

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C7100 Imei Repair Patched Jun 2026

When the IMEI becomes 0049... or null, the phone cannot authenticate with cellular networks. Repairing it involves writing the original, legitimate IMEI back into the device's modem partition. This usually involves two steps: Writing the correct numbers back.

Only flash custom ROMs from trusted sources. Conclusion

Click "Repair" or "Write" and follow prompt instructions, which may require booting the phone into a specific diagnostics mode (Meta Mode, EDL Mode, or Fastboot). Method 2: NVRAM / EFS Restoration via Custom Recovery