AT+CPMS=?
+CPMS: (),(),()
AT+CPMS="SM"
ERROR
This is a case where using extended error reporting, AT+CMEE=2, very likely will give some hint on what the problem is rather than just "something went wrong", aka ERROR.
AT+CMEE=2
I strongly suspect the problem to be not giving both <mem1> and <mem2> values.
<mem1>
<mem2>
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This is a case where using extended error reporting,
AT+CMEE=2, very likely will give some hint on what the problem is rather than just "something went wrong", akaERROR.I strongly suspect the problem to be not giving both
<mem1>and<mem2>values.