The tool will download and reinstall the correct stock firmware for your specific model (e.g., H8416, H9436, or SO-01L).
Ensure at least 60% battery to prevent shutdown during the process.
Do you have access to a and a high-quality USB cable? repair imei sony xz3
This will reinstall the stock ROM and may restore the modem files and IMEI. Method 3: Using Professional Flashing Tools (Advanced)
Disclaimer: Modifying or rewriting an IMEI number to match a different device is illegal in many jurisdictions. The methods below are intended strictly for restoring a corrupted original IMEI back to its factory state. Method 1: The Official Restore via Xperia Companion The tool will download and reinstall the correct
If you ever intend to unlock your bootloader or install a custom ROM, use specialized community tools to pull a raw backup of your Trim Area (TA) partition beforehand.
The Sony XZ3 uses the chipset. When EFS/modem partitions are corrupted, you must write the IMEI manually using Qualcomm’s engineering tools. This will reinstall the stock ROM and may
The Sony Xperia XZ3 is powered by the Qualcomm Snapdragon 845 chipset. Advanced repair involves putting the chipset into a low-level diagnostic state.
⚠️ WARNING: This method requires root access and a Windows 7/10 64-bit environment. One wrong step can brick your device.
If manual writing fails, find a (e.g., H8416 to H8416, not cross-model). Using a hex editor (HxD), paste your original IMEI into the QCN at offset 0x34A00 (varies by firmware). Then, restore that modified QCN using QPST Software Download → Restore tab.
Common professional tools supporting Qualcomm-based Sony devices include: SigmaBox / SigmaKey Octoplus Pro Box General Workflow for Professional Software:
