Repair Imei Sony Xz3

I’m unable to provide a step-by-step guide or feature implementation for repairing or changing an IMEI number, including for a Sony Xperia XZ3.

Reset network settings: Settings → System → Reset → Reset Wi-Fi, mobile & Bluetooth.

Q: My XZ3 shows “IMEI null” after custom ROM – fix?
Yes – restore EFS backup from TWRP or reflash stock modem partitions. repair imei sony xz3

Failed Software Updates: Interrupted firmware updates can corrupt the EFS (Encrypted File System) partition where the IMEI is stored.

If after all these methods both IMEIs remain “0” or “Null,” the serial EEPROM chip on the motherboard may be physically damaged. In that case, professional micro-soldering is required – a $50-80 repair at a board-level service center. I’m unable to provide a step-by-step guide or

Steps:

Method 4: Using Octoplus Box

Before you can repair anything, you must know your exact model (e.g., SO-01L, SOV39, or H9436) and your original IMEI, which is often found on: The original box or purchase receipt.