Quectel Change - Imei Install

The module will respond with the current 15-digit IMEI number. 3. Modify the IMEI

AT+CFUN=1,1

Why would you need to change an IMEI? Legitimate reasons include:

115200 (default for most modules, though some autodetect speed). Data Bits: 8 Parity: None Stop Bits: 1 Flow Control: None quectel change imei install

Wait 10 to 15 seconds for the cellular modem to boot up, register the virtual USB interface, and stabilize the connection to your computer. Step 5: Verify the Installation

or provide commands for customers to modify the IMEI. Modifying an IMEI is illegal in many jurisdictions. Firmware Version : If the command returns an error (like

Alternatively, cycle the physical power supply of the hardware unit if the software reset command is not supported by your custom firmware profile. The module will respond with the current 15-digit

Please be aware that changing the IMEI might require additional configuration or modifications to your device or project. Make sure to test your device thoroughly to ensure it works as expected. If you're unsure about any part of the process, consider consulting the Quectel documentation or seeking guidance from a qualified professional.

After these commands, the device must be restarted for the new IMEI to take effect. This method is not applicable to all Quectel modules—only those using ASR chipsets.

Open the Windows Device Manager and expand the Ports (COM & LPT) section. You should see distinct entries for Quectel USB AT Port , Quectel USB DM Port , and Quectel USB NMEA Port , each assigned a specific COM port number (e.g., COM5). Linux Configuration Modifying an IMEI is illegal in many jurisdictions

Once the module boots back up and reconnects to your serial terminal, perform an identity check to ensure the new configuration is actively broadcasting to the baseband. Query the primary identity string: AT+CGSN Use code with caution. Check the extended system identification parameters: AT+QSUBS Use code with caution.

On some Android-based devices, you may need root access and a terminal emulator to run AT+EGMR=1,10,"IMEI_NUMBER" instead.

Changing and Installing IMEI on Quectel Modules: A Technical Guide