Use a tool like or ADB to wipe the modemst1 , modemst2 , and fsg partitions. 3. Write the QCN File using QFIL Open the QFIL Tool (part of QPST). Select the Select Port button and choose your Diag port. Go to the Tools tab > QCN Backup Restore .
It resides within the secure EFS (Encrypted File System) partitions of your phone's internal storage. poco x4 pro 5g 128gb qcn tested7z free
A Windows-based PC is required to run the repair utilities. Use a tool like or ADB to wipe
file contains essential network calibration data, including IMEI and baseband info. Use this file if your device is experiencing: No Service or Signal drops after flashing. Failed 2G/3G/LTE/5G network switching. Corrupted IMEI or unknown baseband issues. Key Features: Tested on HyperOS & MIUI: Works on the latest official firmware versions. Clean Backup: Free from Wi-Fi or MAC address conflicts. Compact Archive: High-compression format for fast downloading. Instructions (Educational Purposes Only): Backup first: Always back up your original EFS/QCN before proceeding. Enable Diag Mode: Select the Select Port button and choose your Diag port
Qualcomm phones require "Diag Mode" to allow QFIL to access the EFS partition. For Xiaomi and POCO devices, you can enable this without root using a secret dialer code:
We've put the POCO X4 Pro 5G through rigorous testing to ensure its quality and performance. With our QCN (Qualcomm Chipset Navigator) testing, you can trust that this device meets the highest standards of reliability and functionality.