Redmi Note 9S QCN File helps you to repair IMEI, Serial number, WiFi, and calibration data easily through QPST Flash Tool. Here, we provide the links to Download Redmi Note 9S Network File to Unlock, and repair IMEI, SN, and WiFi Numbers, on the phone for free.
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What is Redmi Note 9S 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_9s_QCN.zip
File Size: 103KB
Type:.QCN
Credit:
Download: Qualcomm USB Driver
Password – Bypassfrpfiles.com
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How to Use:
-Download Redmi Note 9S 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.
Also read: Redmi Note 9 Pro QCN File

