Quectel Change Imei Install May 2026

This report addresses the technical inquiry regarding the modification (changing) of the International Mobile Equipment Identity (IMEI) on Quectel cellular modules. While the technical capability to alter IMEI numbers on such devices exists via AT commands or proprietary tools, this practice is heavily restricted by hardware design (Write-Once fuses) and is illegal in most jurisdictions.

This document outlines the technical background, legal implications, and security risks associated with IMEI modification for Quectel modules.

After the procedure, reset the module:

AT+QPOWD=1

Power it back on. Reconnect to the AT port and run: quectel change imei install

AT+CGSN=1

The module must now report the new IMEI. Also check with:

AT+CGSN

(returns IMEI without formatting)

Verification with network: Insert a SIM card and try to register on the network: This report addresses the technical inquiry regarding the

AT+CREG?

Response should show 1,1 or 1,5 (registered).

Some carriers may reject an invalid IMEI – ensure your new IMEI has a valid TAC (first 8 digits) and correct checksum.

Report ID: SA-2023-QTM-IMEI Subject: Analysis of "Quectel Change IMEI Install" Procedures Classification: Security Advisory / Regulatory Compliance Warning Date: October 26, 2023 Power it back on

Changing an IMEI on a Quectel module is technically feasible, but you must abide by:

Permitted use cases:

Never change an IMEI to:

For users uncomfortable with command lines: