Pokã©Mon Go Unable To Authenticate

Pokã©Mon Go Unable To Authenticate. Swipe up from the bottom of the screen and pause in the middle of the screen to view the most recently used apps. First, close and then reopen the pokémon go app:

First, close and then reopen the pokémon go app: Iphone x or later : Double click the home button to view the most recently used apps, locate the pokémon go app, and swipe up to close.