After the procedure, reset the module:
AT+QPOWD=1
Power it back on. Reconnect to the AT port and run:
AT+CGSN=1
The module must now report the new IMEI. Also check with: quectel change imei install
AT+CGSN
(returns IMEI without formatting)
Verification with network: Insert a SIM card and try to register on the network: After the procedure, reset the module: AT+QPOWD=1
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. Power it back on
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.
If you are integrating this into a production environment, you can use Quectel QFlash or QFirmware tools with a custom .bin file that contains the desired IMEI – this is the "install" part you might be looking for.
Changing an IMEI is strictly prohibited under laws governing telecommunications and device identification.