Originally Posted by slowflow
it won't connect to the pc or the prog. box. It won't arm, it does illuminate the red light but can't connect even with the red light on.
If you hold the gyro button during power up the red light should flash. Don't try to connect. Plug in the pc link and then use the open and upgrade button in John's app to flash the correct firmware (v2.5 for ZYX and v3.02 for ZYX-S).