Quectel - Ec25 Change Imei

AT+CFUN=1,1 Or power-cycle the module physically.

But if you receive an error like +CME ERROR: operation not allowed , you must first send:

If you lost it and need a full factory reset (including erasing all NV changes), you would need Quectel’s proprietary QFirehose tool and a full flash dump—generally not available to end users. The Quectel EC25 allows IMEI modification via AT+EGMR=1,7,"your_15_digit_imei" in 95% of development modules . For carrier-locked or production-locked units, it is either impossible or requires privileged authorization. quectel ec25 change imei

It is a powerful tool for hardware developers and network testers, but a dangerous weapon for fraudsters. Always adhere to local laws and carrier terms of service.

AT+QPRTPARA=3 Or

Soft reset:

Then recheck:

AT+CGSN=1 Example output:

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