Prior to requesting support in the user forum, gather the following information:
cat /sys/kernel/debug/gpio
in Android Terminal EmulatorThen proceed to the VFD Section of our User Support Forums and open a support request including all the information gathered, together with a description of the issue (eq: the network indicator is missing, it should be on when the network cable is connected, or: the display is upside down).
Include a picture of the display showing the error