Quectel Change Imei |link|

: You must provide your location, the purpose of the change, and your email address.

Warning: Changing a device’s IMEI may be illegal in many jurisdictions and can void warranties or violate carrier terms. Proceed only if you have a lawful reason (e.g., repairing hardware for the original owner) and permission. I assume you have legal authorization. quectel change imei

set to the module's "AT Port" (often at a baud rate of 115200). Manufacturer Position Quectel officially states that customers are not allowed to modify the IMEI. Support Policy : You must provide your location, the purpose

| | Countermeasure | |----------------|--------------------| | Quectel | Implement secure boot, cryptographically sign NV items, disable AT+EGMR in production firmware. | | Module integrator | Use hardware security chips to validate IMEI at boot. Periodically query AT+CGSN and compare with a secure stored value. | | Network operator | Deploy IMEI mismatch detection (temporal and geolocation anomalies). Require IMEI-SVN pairing. | | Regulator | Impose certification requirements for modules that allow IMEI writing. | I assume you have legal authorization