hello,
I have connected the device to the TTN and everything was working great. I have charged it last night but today the screen doesn’t turn on although I can see the red light so it is charging. I need a quick help because I have a test tomorrow morning. Can someone help me how can I fix it? Thanks.
Welcome to RAK forum @damlae ,
It can be that the battery is deeply discharged. If you already charge it over night and there is no output on the display, you can (1) press the reset button just on the right side of the USB ports or (2) disconnect and reconnect the battery however you have to carefully open the field tester to access the battery connector.