Download Redmi Note 9 Pro Max QCN File Repair IMEI Number

QCN File have Now been available for The Xiaomi Redmi Note 9 Pro Max & Now You can download it from below. by using Xiaomi Redmi Note 9 Pro Max QCN File you can Repair Null IMEI Number, unknown baseband, MAC & BT address with in your phone.

Xiaomi Redmi Note 9 Pro Max Run on Android 10 & it is Powered by QCOM SD720G Processor. it is a dual SIM Smartphone Support Nano SIM card, connectivity options Include GPS hotspot WIFI 3G & 4G. the device comes with 6GB of RAM & 64/128GB of Internal storage that can be expandable Via SD cards.


  1. QPST Here
  2. QCN Rebuilder
  3. QCN Xiaomi Redmi Note 9 Pro Max: Download
  4. Patience.

Note: You can use any supported box.

Steps to Repair IMEI Number on Xiaomi Redmi Note 9 Pro Max:

  • Download Everything From above. Now Run QCN Rebuilder and Select Downloaded QCN File
  • Replace IMEI Number With the Original IMEI Number ( don’t change otherwise Your Phone will Not accept it).  then click Rebuild

  • Now Enable usb debugging and connect Phone to PC
  • Send the below code via CMD

Reset EFS Partition:

adb shell
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst1
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst2
dd if=/dev/zero of=/dev/block/bootdevice/by-name/fsg
dd if=/dev/zero of=/dev/block/bootdevice/by-name/fsc

Enable Diag Port:

  • Restore EFS backup via twrp (or flash modemst1 modemst2 & fsg, fsc via fastboot)
  • then send below code over adb
adb shell
setprop sys.usb.config rndis,diag,adb
  • then Run QPST. Go to Restore tab and Select the Rebuilded QCN file
  • then Click Restore
  • done.

Note: have any issue, flash modemst1, modemst2, fsg and fsc via fastboot and then write qcn file