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.
OK If not, check power, wiring, and drivers. Always check the existing IMEI before making changes. Use:
AT+CGSN=1 Example output:
Quectel Ec25 — Change Imei
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.
OK If not, check power, wiring, and drivers. Always check the existing IMEI before making changes. Use: quectel ec25 change imei
AT+CGSN=1 Example output: