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AT+CGSN
Type AT and press Enter. You should receive an OK response. quectel ec25 change imei
If you are using a Linux-based system (like Mobian or OpenWrt), you must stop services that might lock the serial port, such as : systemctl stop ModemManager.service Use code with caution. 3. Write the New IMEI AT+CGSN Type AT and press Enter
The IMEI is a 15-digit unique identifier for cellular hardware. Mobile networks use it to authorize devices, block stolen units, or enforce data plan limits. block stolen units