Google Pixel 4 ENG QCN Free Download

QCN is file format contain Network related data of a device Including IMEI Number, BT address, Mac address, Serial Number etc.

IMEI Number or International Mobile Equipment Identity is a Number to identify a Mobile Phone. all GSM network use IMEI Number to validate the device. if you have Loss IMEI Number on Your Google Pixel 4 due to any software issue then You can Repair it by following the below Instructions.


  1. QPST Here
  2. QCN Rebuilder
  3. QCN Google Pixel 4: Download

Steps to Repair IMEI Number on Google Pixel 4:

Experimental method=

  • Download require files from above
  • 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 reboot bootloader
fastboot erase modemst1
fastboot erase modemst2
fastboot erase fsg
fastboot erase fsc
  • flash modemst1 modemst2 fsg & fsc (available in firmware) via fastboot
fastboot flash modemst1 modemst1.img
fastboot flash modemst2 modemst2.img
fastboot flash fsg fsg.img
fastboot flash fsc fsc.img
  • Enable Diag Port:
adb shell
setprop sys.usb.config rndis,diag,adb
  • Run QPST. Go to restore tab and select the Rebuilded QCN file & Click restore
  • done

Note: if any issue, First flash ENG ROM, follow above Instructions..