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I need to upload a simple sketch as the following:

void setup() 
{
  Serial.begin(115200);
}

void loop() 
{       
    Serial.println("Test");     
    delay(1000);    
}

I can upload only the sketch in the bootloader mode, by pressing twice the reset button. Once uploaded, I cannot read anything on the serial. Probably it could not upload anything. Or there is something wrong with the bootloader.

I tested with a different Nano BLE 33 board and everything is fine. I can even upload the sketch in normal mode.

Did someone get the same issue?

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