Repair Imei Sony Xz3 🔖

Repairing a "null" or "invalid" IMEI on a Sony Xperia XZ3 Go to product viewer dialog for this item.

For deep-level IMEI repair (usually required after a motherboard replacement or serious corruption), technicians use specialized hardware "boxes" and "dongles." These are not standard consumer software : Sony C1605 (Xperia E Dual) Repair IMEI with Octoplus Box repair imei sony xz3

: This is a common professional tool that supports MediaTek and Qualcomm-based Sony devices. It requires connecting the phone in a specific "service mode" (often by holding Volume Up/Down while plugging in the USB) to "patch" or repair the IMEI using a valid number from the device's sticker or box. Octoplus Pro Repairing a "null" or "invalid" IMEI on a

Try Method 2 (stock reflash) – solves 60% of cases.
If that fails, use Chimera Tool (Method 5) – solves another 35%.
Manual QPST (Method 3) only for experienced users – final 5% of stubborn cases.

Enable Developer Options (tap build number 7 times).
Enable USB Debugging.
On your PC, open a command prompt and type:
```
adb shell
su
setprop sys.usb.config diag,adb
```
(If you don’t have root, you’ll need to temporarily boot a patched kernel. Use Magisk-patched boot image for XZ3.)
After running the command, your PC will detect a new “Qualcomm HS-USB Diagnostics” port. Note the COM port number (e.g., COM5).

Sometimes a simple software glitch makes the IMEI appear missing when it’s actually just suppressed. Software Update/Repair Xperia Companion Try Method 2 (stock reflash) – solves 60% of cases

Solution 2: Swap the Motherboard

If the EFS partition is physically damaged (bad NAND blocks), no software repair will work. A replacement motherboard for XZ3 costs around $80–120 on eBay. After swapping, the IMEI will match the new board—so re-solder the old SIM slot’s chip if needed to retain legality.