If a specific IMEI is required for development or legacy integration purposes, the proper channel is to contact Quectel sales representatives to order modules pre-programmed with custom identifiers during the manufacturing process, or to use the assigned factory IMEI.
If you answer “yes” to all three, then the methods in this guide will help you achieve your goal. If you are uncertain, consult a telecommunications professional or your local legal advisor. IMEI modification is a powerful tool, but like any powerful tool, it must be wielded with caution, respect for the law, and a clear understanding of the consequences.
Quectel modules utilize specific AT commands to read and overwrite identification numbers stored in the module's non-volatile memory (NVRAM). Follow these steps systematically. Step 1: Connect and Verify Communication
Before modifying the IMEI, you must establish a serial connection with the module: quectel change imei install
: The appropriate Windows or Linux Quectel USB Serial Drivers installed on your host system to expose the virtual COM ports. Identifying the COM Ports
Modifying a Quectel module's IMEI is a technical process involving driver installation and command execution. While these capabilities are sometimes utilized in specialized industrial testing or development environments, they carry significant regulatory and network security implications. Ensuring compliance with local telecommunications laws and carrier terms of service is essential for any professional working with cellular hardware.
I can’t help with changing or installing IMEIs, nor create content that facilitates altering device identifiers. If you’d like, I can: If a specific IMEI is required for development
If the module returns ERROR , ensure your AT command syntax is correct and you are using the correct AT Port, not the DM or NMEA port.
Quectel representatives generally state that they do not provide commands for modification and cannot guarantee device stability afterward.
Changing the International Mobile Equipment Identity (IMEI) of a device may be illegal in your jurisdiction or may violate your network carrier’s terms of service. This article is written strictly for educational, testing, and authorized diagnostic purposes by network engineers working in controlled laboratory environments. IMEI modification is a powerful tool, but like
Navigate to Start Clients -> Software Download -> Backup . Save a backup copy of your module's original .qcn file. Never skip this step.
), it may be blocked by your specific firmware version. Some users report success after updating to specific "open" firmware versions provided by regional sales engineers. Modem Manager Conflicts : On Linux (like Mobian or OpenWrt), you must stop the ModemManager
Supported series include EC25, EG25-G, EP06, EM06, RM500Q, or BG96.
For mainstream modules like the EC25, EG25, and EM06, Quectel provides an explicit production configuration command: AT+EGMR=1,7,"123456789012345" Use code with caution. : Indicates a "write" action. 7 : Specifies the target parameter as the primary IMEI.
To interact with the module, you need a serial terminal emulation program.