Hi, i have same problem. My balance is ok because i can communicate via sms. My device was working with yungps but the site is down. I have changed server ip to:
CX,IP:193.193.165.166:20853,url:,imei:353505221154353,XT:10,NXT:300,SF:0,apn:internet,CS:0,WL:0,0,0,SOS:XXXXXXXXX,,,,
what could went wrong? I cant get any communication