On Linux-based systems, you may need to stop background services that lock the serial port: systemctl stop ModemManager.service Use code with caution. Copied to clipboard General AT Command Procedure
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. quectel change imei install