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Facebook App: Login Error; an unexpected error occurred.

So I just made a new facebook account for work and the app is not allowing me to sign in. Note, this is a brand new iPhone XS Max and has not been signed into another account. Some things that I have tried already are:


  • Restarting the phone multiple times
  • Deleting and reinstalling the app
  • Reset my network settings
  • Rest all Settings
  • Force Reboot the phone
  • Everything is updated to the latest software


No matter what I do I keep getting the same error over and over again. Any insight would be great. Thank you.

iPhone XS Max, iOS 12

Posted on May 4, 2019 1:35 PM

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Question marked as Top-ranking reply

Posted on May 4, 2019 1:47 PM

That is 100% a Facebook problem and zero% an Apple problem. You will need to use Facebook's support services. And there is nothing you can do with the phone's settings to fix it.

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Facebook App: Login Error; an unexpected error occurred.

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