Pokémon Go is not accessible on One UI 5.1.1 software, issue acknowledged

Debuted in late July, Samsung’s One UI 5.1.1 update has been rolled out for several eligible Galaxy devices. The software comes with improved animation and installs a handful of new features. Meanwhile, there’s a bug in One UI 5.1.1 which renders the Pokémon Go inaccessible for some.

Multiple reports (via PiunikaWeb) suggest that some Samsung consumers are no longer able to log in to the Pokémon Go game on their Galaxy device. The game was working well prior to installing One UI 5.1.1, hinting at a lack of support for the game for Samsung’s incremental software upgrade.

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As the One UI 5.1.1 is made for tablet and foldable Galaxy devices, there’s no such report from users of the Galaxy S or Note phone users. Verizon calls the August update One UI 5.1.1 but it only includes functional enhancements, without turning the software code to 5.1.1 from 5.1.

Possible fix (temporary):

You can try clearing App Cache and App Data of some Google apps namely Google Play Store, Google Play Services for AR, Google Play Services, and Google. Once done, Reboot your device and try logging in again to the Pokémon Go game on your Galaxy.

In case you are facing such an issue while playing Pokémon Go, you may be happy to know that the Niantic team confirmed that they are already aware of the issue and investigating. Meanwhile, they mention the Galaxy S21 series as the affected device rather than the devices running One UI 5.1.1.

Via