To get the list of avaialble operators AT+COPS=? +COPS: (2,”AT&T”,”AT&T”,”310410″),(0,1,4),(0,1,2) OK
To manually select the network using the AT+COPS command, AT+COPS=1,0,”AT&T” OK
Check the current network AT+COPS? +COPS: 0,0,”AT&T” OK