We are working to get the CELLID from AT Command called AT+CREG? its return's a wrong cellid some times its working inconsistently.
We convert the return cell id hexa decimal to decimal and check the mcc,mnc,lac & cellid with the google services to get the latitude and logitude while getting the latitude and logitude the google service says its a wrong cellid.
Issue is very critical to us. We need to fix it soon can any please respond quickly why its returns wrong cellid.
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AT+CREG command is used to get the registration status from the ME(Mobile equipment). I didn't know that it would report Cell id.