gprs and sms read

hi,
I can’t read sms inbox sending via my phone, why?

AT+CMGR=1 +CMGR: "REC READ","+33xxxxxxxxx","","12/05/16,09:37:14+08"
thank’s

You can try

AT+CMGF=1 AT+CMGL="all"
This can read all the message

AT+CMGF=1 AT+CMGL="rec unread"
This will read unread message