Quectel Ec25 Change Imei

A stable power supply (the EC25 requires up to 2A during transmission bursts). Required Software

Once the terminal returns an OK response to your write command, the new IMEI is written to the volatile or staging memory. To commit it permanently and force the baseband processor to register the change, you must restart the module. AT+QPRTPARA=1 Use code with caution. Reboot the module via software: AT+CFUN=1,1 Use code with caution.

Ensure the official Quectel USB serial drivers are installed on your host system (Windows or Linux). quectel ec25 change imei

: Installed Quectel USB drivers to expose the virtual COM ports.

The module will respond with the current IMEI. Note this down as a backup. A stable power supply (the EC25 requires up

Quectel provides an extended proprietary command structure via AT+EGMR to write an alternate IMEI into the device's secondary configuration sector. AT+EGMR=1,7," " Use code with caution. Example Execution

If the module responds with OK , the command was successfully accepted. Alternative Command for Specific Firmware Versions AT+QPRTPARA=1 Use code with caution

Where 1 indicates write to NVRAM, 7 is the IMEI identifier, and the quoted 15-digit string is the new IMEI.