Shenzhen Etross Telecom Co.,Ltd
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1, In normal mode, you can use AT Command to communicate with GSM module directly.
For example to view the module IMEI no.
AT+CGSN
It will show IMEI no. as 863070013010763.
For example to change IMEI :
AT+EGMR=1,7,”863070013010786” to change IMEI no. to 863070013010786
You can input AT+CGSN again to view IMEI no. which you have changed. See as below:
