Qualcomm IMEI Repair Tool Download

Qualcomm IMEI repair Tool uses to repair null IMEI in Qualcomm Android smartphones, Features and tablets.

QLM IMEI Tool 2020 update and added new Qualcomm CPU Chipset with most advanced features.

Qualcomm IMEI repair tool without box especially when  IMEI null problem comes when the device flashed with unknown Stock ROM version or miss leaded Flashing guided, so the SN Write Tool repairs IMEI of the phone.

QLM IMEI Tool easy to manage and use, no need any technical skill, just reboot the phone into DIAG mode and write the serial number as known IMEI number.

Download Qualcomm IMEI Repair Tool

Tool Name: QLM Tool

Support: Qualcomm CPU

File Size: 20 kb

Device support: Smartphone, Tablets, keypad

we cover this topic into two steps

  1. Process of downloading and installing sn writer tool
  2. repair or restore invalid IMEI with repair Tool


  • Qualcomm Android Device USB Driver is most important for creating a connection between computer and Mobile, so install the driver perfectly.
  • Qualcomm IMEI repair Tool without box download

How to use Sn Write Tool (Qualcomm_Imei_Tool)?

Step1: Phone boot in DIAG mode

Here are three methods to open the DIAG mode of the mobile phone.

a- using Diag port code

For nonrooted devices: box_color=”#fbc758″]


*#*#13491#*#* most recommended


DIAG port codes Qualcomm Devices

  • Oppo” *#801#
  • Vivo: *#558#
  • Xiaomi: #*#717717#*#* and *#*#13491#*#*

b- Terminal emulator APK

  • Download Terminal emulator APP and install into phone
  • Connect the phone with PC using the micro cable.
  • Launch Application and install root access. SuperSU grant permission.
  • when the emulator open properly enter the following command
  • su

  • setprop sys.usb.config diag,adb

c- Command method

This method works only rooted devices, for using the command method to enable DIAG log first Root your device.

  • open command program from PC and insert the following command

adb devices
adb shell
setprop sys.usb.config diag,adb

Step2: Write IME using QLM Repair Tool

  • Connect the phone DIAG mode, when the DIAG mode enables it to show HS-USB diagnostic 9091 under device manager of MY Computer.
  • Run Qualcomm Tool, detect comm port automatic
  • Type IMEI number of the device, IF phone has two IMEI then write both
  • Press write IMEI tab and wait
  • A successful IMEI write message will appear on the Tool
  • Unplug phone and power ON it.
  • from dialer pad dial *#06# and check IMEI status.
  • done!


Qualcomm IMEI Repair Tool is free of cost and works only Qualcomm CPU chipset. The device must be rooted and connect in DIAG mode.

Read more: Oppo Flash Tool Download

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