Hi, Good Afternoon, I will integrated Sierra 4G LTE modem in NanoPC-T2. When modem connects to the android it will show the provider name and signal strength. at+cpin? +CPIN: READY OK at+csq +csq: 21,99 OK at+creg? +CREG: 0,1 OK AT+CFUN? +CFUN: 1 OK PROBLEM: When turned ON mobile network it won't wo...