Quectel — Ec25 Change Imei Fixed

Works on most EC25 revisions. The change persists across power cycles and firmware updates.

If writing a custom IMEI for testing, ensure you calculate this checksum. quectel ec25 change imei

The Quectel EC25 is one of the most popular LTE Cat 4 modules in the M2M and IoT space, prized for its global band support, GNSS integration, and robust AT command set. However, a recurring topic in developer forums and engineering labs is the ability to change its factory-assigned International Mobile Equipment Identity (IMEI). This review explores why one might change it, how it’s done (technically), and the critical legal and operational pitfalls. Works on most EC25 revisions

AT+CGSN

AT+CGMI