This tutorial shows how to reset the WiFi password of GoPro Hero 5 Session cameras. First, shortly press the button on the camera back:
Then navigate to the CONNECTION SETTINGS screen using the button on the camera back:
Select RESET CONNECTION: 
Select YES:
The camera will now reboot and assign a new WiFi password.
Hola compré un go pro 5 session y no puedo vincularla con la APP. Me da error el la Id. GP55103670. Cómo se procede para solucionar esto?
You can use the Camera Tools app (https://www.toolsforgopro.com/cameratools) if the Quik app does not work.