Do not flash the downloaded QCN file directly without editing it first. It contains the IMEI details of the donor device.
To write the network configuration data, you must force the phone to expose its diagnostic port to the computer. POCO X4 Pro 5G Imei Repair - No Service Fix - Nv Data Fix poco x4 pro 5g 128gb qcn tested7z free
Reboot your device. Your baseband will temporarily show as completely empty or null, which is exactly what we want before a clean overwrite. 3. Flash the Tested 128GB QCN File Extract the file using a tool like 7-Zip to get the raw .qcn file. Do not flash the downloaded QCN file directly
Connect your Poco X4 Pro 5G to your computer using a high-quality USB cable. POCO X4 Pro 5G Imei Repair - No
To ensure your PC recognizes the device in Diagnostic Mode. ADB Drivers: To enable Diag Port via command line.