Pokemon-go – Can’t re-install Pokemon Go

pokemon-go

I tried to re-install Pokemon Go and I keep getting "authentication error. must sign in to Google account." I'm signed into my Google account. I am logged into my Pokemon Go account at Pokemon.com. I had the app installed on my one previously, then it stopped working I kept getting a retry message. So, I deleted it to start over. Obviously that did no good, and just made it worse. I've looked at many of the Q&A on the internet and nothing resolves my issue. Same with going to Niantic. Any answers?

Best Answer

As Jerry commented on the question:

Niantic has troubleshooting guides for both Android and iOS.

Common checklist:

  1. Try cleaning the app data and log in
  2. Do clean uninstall (quit app, clear data, uninstall)
  3. Reboot phone
  4. Reinstall
  5. Sometimes it's a server side thing and you have to wait