Flashing a QCN file is a high-level repair. Ensure you have the following ready:
Settings that allow your phone to "talk" to cell towers.
Replace the generic IMEIs with the original ones found on your phone’s box or back panel. Save the modified file. 4. Restore the File Open . Navigate to the Restore tab. Select your modified QCN file. Click Start and wait for the process to finish. Reboot your device. Troubleshooting Common Issues
Some partitions may be locked. You might need to use a tool like WriteDualIMEI(W+G) if QPST fails.
If this data is corrupted during a custom ROM installation or an unsuccessful bootloader unlock, your phone becomes a "tablet" that cannot make calls or use mobile data. Prerequisites Before Flashing