What are the AT command need to test and fix the gsm module setting to get connected to GPRS.
I try connecting to network But it give response of denied network registration.
I try change band and in one mode it never get connect , in some other mode it connect and disconnect again. Any other mode i need to test ?
Thanx : )
AT+CSQ : gsm signal quality
AT+CEREG? : Chcek LTE 4G network Registration
AT+CGREG? : Chcek GSM network Registration
AT+COPS? : Check Network Operator Selection
AT+CBAND : Get and set mobile operation band
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