How to Repair Null IMEI Number on Lenovo Z5

QCN File have Now been available for The Lenovo Z5 & Now You can Download it From below. You can use Lenovo Z5 QCN File to Repair Null IMEI Number, unknown baseband, MAC & BT address with in device.

Lenovo Z5 Run on Android 8.1 & it is Powered by QCOM SD636 Processor. the device comes with 6GB of RAM & 64/128GB of Internal storage can be expandable Via SD cards.


  1. QPST Here
  2. QCN Rebuilder
  3. QCN File for Lenovo Z5
  4. Patience.

Steps to Repair IMEI Number on Lenovo Z5:

  • 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

Enable Diag Port:

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.

if any issue with above method use ‘QCN file with qcfire’, or write QCN data and then write imei Number using dual IMEI writer.