Put the phone into Diag Mode using the hidden menu or ADB commands ( adb shell setprop sys.usb.config diag,adb ).
Open the .qcn file inside a specialized hex editor or a QCN IMEI editor tool.
Works only if you previously backed up your QCN while the IMEI was intact.
A: No. A factory reset or even the secret code *2767*3855# only wipes user data; it does not touch the NV partition where the IMEI is stored. lg g8 imei repair
Why would such a critical identifier simply vanish? On the LG G8, and Android phones in general, a lost IMEI is almost always a software issue, most often caused by:
“Security error – Failed to write NV items”
Using incompatible root scripts that target the modem or EFS partitions. Methods for LG G8 IMEI Repair 1. Restoring from an EFS Backup (The Safest Route) Put the phone into Diag Mode using the
Unlike older phones where you could manually rewrite the IMEI with simple tools, the LG G8 stores IMEI data in encrypted NV (Non-Volatile) memory partitions. Corruption occurs due to:
No. IMEI repair fixes the identity. SIM/carrier unlock is a separate process involving unlocking the network lock via code or Octoplus’s "Unlock" function.
A: Most likely the baseband is missing or corrupted. Flash the correct stock KDZ for your exact LG G8 model (e.g., G820UM, G820TM, G820N) using LGUP. After a clean flash, the baseband should return, and the IMEI will be recognised. On the LG G8, and Android phones in
Before attempting or paying for an IMEI repair, you must understand the following:
A: Yes. ChimeraTool works without any external dongle (software‑only license). LGTool is also a free/cheap software‑only option. However, hardware boxes like Octoplus often provide more reliable results for difficult cases.
If you regularly modify your device software and made a backup before the corruption occurred, restoring your EFS partition via Team Win Recovery Project (TWRP) is the safest and easiest solution. Step 1: Boot into TWRP Recovery