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Try the below script in the AT Command Tester tool
//Script: at_cpms.at //Use this script to AT+CPMS AT command //Get the command support AT+CPMS=? WAIT=2 //Get the current assignment for mem1, mem2, m3m3 //This command also return used and total available for each memory //"ME" and "MT" - Flash message storage //"SM" SIM message storage //"SR" Status report storage AT+CPMS? WAIT=1 //SMS AT command is compatible with GSM phase 2+ //Configure mem1 for SIM, mem2 for flash storage and mem3 for SIM AT+CPMS="SM","ME","SM"
Output of the above script in the AT Command Tester tool
tool.
AT+CPMS=? +CPMS: ("ME","MT","SM","SR"),("ME","MT","SM","SR"),("ME","SM") OK AT+CPMS? +CPMS: "SM",0,3,"ME",0,255,"SM",0,3 OK AT+CPMS="SM","ME","SM" +CPMS: 0,3,0,255,0,3 OK