Quectel Ec25 Change Imei [updated] -

This reboots the module, forcing it to re-initialize its baseband stack and broadcast the newly assigned identity upon its next network registration attempt. Important Legal, Carrier, and Compliance Risks

Some older EC25 firmware versions (pre-2019) or custom engineering builds from Quectel allow AT+EGMR . If you have access to such firmware:

If the IMEI reverts to factory default after a power cycle, the module is running a write-protected NVRAM configuration. Securing a firmware version meant for open-market development is usually required to bypass this restriction. Conclusion quectel ec25 change imei

AT+CFUN=0 # Radio off AT+CFUN=1 # Radio on AT+COPS=2 # Deregister AT+COPS=0 # Automatic register

Expected response: OK

This command triggers a full functionality reboot of the module without physically power-cycling the board. Step 5: Verification

Before proceeding, you must ensure you have the correct environment and tools. Modifying an IMEI carries legal and operational risks depending on your jurisdiction. Important Disclaimers This reboots the module, forcing it to re-initialize

A USB-to-TTL serial adapter or a direct USB connection to a PC (via the module's main USB interface).