If Snappic displays this failure to connect error, the connection to the GoPro has been interrupted. Follow the steps below to reconnect the device:
Unplug the USB cable from the GoPro
Navigate to the Bluetooth settings on the iPhone/iPad and forget the connection to the GoPro
Swipe down on the touch display (Hero 11/10/9 Black, swipe left after swiping down)
Tap [Preferences]
Tap [Wireless Connections]
Tap [Reset Connections]
After resetting, go back to [Wireless Connections]
Tap [Connect Device]
Tap [GoPro Quik App]
Install/Open the GoPro Quik App on the device running Snappic
Navigate to the [GoPro] Tab
Tap [Connect a GoPro]
Tap [Connect Camera]
Reconnect the USB connection from iPhone/iPad to the GoPro
The GoPro should now display [USB Connected] and show up as a wired connection