There is a problem in hanging up Miro if the SIM 800l modem is disconnected

Hello, I have a problem, when the sim card and sim 800 module fail, the microphone does not work anymore

  1. It doesn’t seem to be Blynk-related
  2. Too little details for anyone to give any meaningful reply
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please post your full code formatted with backticks, then we might be able to help you