Disclaimer: Modifying your device’s IMEI number is illegal in most countries unless you are restoring it to its original, factory-assigned value. This guide is intended for repairing a corrupted or nulled IMEI after a failed firmware flash or software crash, not for changing a device’s identity. Proceed at your own risk.
Qualcomm-Specific Tools: Since the XZ3 uses the Snapdragon 845 chipset, tools like QPST, QFIL, and NV Tools are used to backup and restore .qcn (Qualcomm Calibration Network) files, which contain critical IMEI and radio data. repair imei sony xz3
If official software repair fails, the issue may be in the protected NV (Non-Volatile) data or EFS partitions. How to Repair IMEI on Sony Xperia XZ3:
Before attempting advanced repairs, ensure the IMEI is actually missing or corrupt. Method 1: Soft Repair Using Service Menu (No
send_data 0x00 0x00 0x00 0x0E 0x00 0x00 0x00 0x00 0x01 0x00 0x00 0x00 0x10 0x00 0x00 0x00
(Then your IMEI in reversed hex – requires conversion)
Before touching third-party tools, try Sony’s hidden diagnostic menu. This works if the IMEI is still present but just not being read correctly by the OS.
: The IMEI is always printed on the barcode sticker of the retail packaging. Purchase Receipt