https://us.community.samsung.com/t5/Gaming/Samsung-Update-Pokemon-Go-Unable-to-Authenticate-S20-issue/m-p/2659250#M2761 <P>We experienced exactly the same; one S20FE working and the other wasn't. Tried and checked everything but nothing worked. Something was blocking pogo and we could not find out. Ended up with a factory reset and that worked.</P> Thu, 14 Sep 2023 06:57:25 GMT K-J 2023-09-14T06:57:25Z