Quectel Change Imei — Install

How to Change and Install a New IMEI on Quectel Modules: A Complete Technical Guide

Introduction

Quectel is one of the world’s leading suppliers of IoT modules, including the popular EC25, EG95, BG96, and UC20 series. These modules are widely used in routers, tracking devices, and industrial gateways. However, a common challenge faced by system integrators and developers is the need to change or install a new IMEI (International Mobile Equipment Identity) number on a Quectel module.

Core Feature: IMEI Reconfiguration Utility

This is not a standard "install" feature for end-users. Quectel does not provide a one-click installer to change IMEI. Instead, it is a low-level diagnostic command feature.

Manually force the module into diagnostic mode by pulling the RESET pin low while keeping the USB_BOOT pin high (check your module’s hardware manual for exact pins). Alternatively, use the software method: quectel change imei install

The change_imei.xml should contain:

Improper commands or firmware mismatches can permanently "brick" the modem. Quectel Forums Technical Prerequisites How to Change and Install a New IMEI

: Some modules require a factory reset or power cycle to apply the change: AT+QPRTPARA=3 (Reset to factory settings). AT+CFUN=1,1 (Full modem power cycle). Troubleshooting & Critical Notes Permissions & Legality : Quectel's official support generally states that they do not allow

Important Notes for Developers

  • Some modules (especially newer Quectel firmware) disable IMEI change via AT commands by default. You may need to reflash with a special development firmware.
  • The new IMEI must be 15 digits and follow the Luhn algorithm for validity.
  • Changing IMEI on a live network device may result in network ban or legal action.
  • For manufacturing testing, Quectel provides a proprietary QPRT or DIAG port method.

There are a few methods to change the IMEI on Quectel modules: There are a few methods to change the

Query the Current IMEI: Open your serial terminal and enter the following command to see the current 15-digit IMEI: AT+EGMR=0,7 Alternatively, AT+CGSN can be used to read the number.