I have arduino uno with arduino GSM shield. When I first received it I activated the Bluevia SIM and played around with it. After learning the limitations of the Bluevia SIM, I purchased a prepaid T-Mobile SIM, added $10.00 to it, and activated it using the arduino IMEI and I can't get it to connect…

GSM shield not working with tmobile SIM

system January 16, 2014, 7:57am 8

The network is rejecting your SIM. Check PIN and APN. Contact with your operator.

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