Comments (1)
per1234
commented on July 29, 2024
I should first point out that the GSM Shield v2 has been retired for some time now and Arduino isn't selling them any more...
Are you saying you tried the testing sketch here:
https://www.arduino.cc/en/Guide/ArduinoGSMShieldV2#toc7
and that's failing? If so, you may have an issue with the SIM itself not being permitted onto the network. The modem may be reporting back network failure codes the library isn't capable of handling. The best way to troubleshoot the modem is to connect the modem to a USB to UART cable and use a terminal program on your PC so send the AT commands.
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Related Issues (14)
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