: Send AT+CGSN or AT+EGMR=0,7 to verify the current number. Update IMEI : Send AT+EGMR=1,7,"YOUR_NEW_IMEI" .
There are two main ways to interact with the EC25's identity: using through a serial terminal or fastboot for deeper system recovery. 1. Using AT Commands (Recommended for Repair) quectel ec25 change imei
: This often occurs if the modem is actively managed by a service. On Linux systems, stop the ModemManager service before sending commands. : Send AT+CGSN or AT+EGMR=0,7 to verify the current number
: Restart the module with AT+CFUN=1,1 and check again with AT+CGSN . Troubleshooting common errors: : Send AT+CGSN or AT+EGMR=0
: Modification may fail if the module is connected via certain WAN interfaces. Disconnect external ethernet or network cables during the process. 2. Fastboot Method (For Advanced Recovery)