In this tutorial, we will guide you on How to Unlock, and repair IMEI, Fix Unknown Baseband, SN, and WiFi Numbers, on the Redmi Note 9 Pro phone for free. Redmi Note 9 Pro QCN File helps you to repair IMEI, Serial number, WiFi, and calibration data easily through QPST Tool.
More: Xiaomi Redmi Note 9 Pro Hard Reset & Factory Reset
What is Redmi Note 9 Pro QCN File:
QCN (Qualcomm Calibration Network) file is a configuration file that stores specific configuration details for Qualcomm-based Android phones, including Serial numbers (SN) and IMEI data, radio configuration, and calibration data, to communicate with mobile networks.
Download Files:
File Name: Redmi_Note_9_Pro_QCN.zip
File Size: 103KB
Type:.QCN
Credit:
Download: Qualcomm USB Driver
Password – Bypassfrpfiles.com
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More: Xiaomi Redmi Note 9 Pro EDL Point
How to Use:
-Download Redmi Note 9 Pro QCN File to your Computer.
-Next, Download & extract the Qualcomm IMEI Rebuilder.
-Open Qualcomm IMEI Rebuilder > Click Open File.
-Browse “QCN File” & Replace IMEI With the Original IMEI then Rebuild QCN.
-Save the new QCN file on PC.
-After that, go back to the phone & enable USB Debugging mode.
-Open Settings > Developer options > Turn On USB Debugging mode.
-Next, Enable Qualcomm USB diag port.
-Connect the phone to PC using USB.
-Open ADB & Run the following command.
adb devices su setprop sys.usb.config rndis,diag,adb-If the diag mode not enabled, then use EDL Mode and any professional tools.
-The codes also helps to enable diag: #9090#, ##13491##, ##717717##.
-After that, Run QPST Tool.
-Click on Tool > QCN Backup & Restore.
-Click on Browse & Select the Rebuilded QCN File.
-Enable Multi SIM.
-Now Hit the Start Button.
-Once you get the success message, disconnect & Power on the phone.
-Done.
