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User profile for user: Bonemeer
Bonemeer Author
User level: Level 1
4 points

Can't login to Facebook App $ instagram App


I accidentally logged out of my Facebook app and can no longer log in . It says "Login Failed" Sorry, an unexpected error occurred. Please try again later. Error code: 100. (I have an iPhone XS MAX)


I can log in to Facebook & Instagram if I do it through the browser on my phone and I can log in on my other phone as well.


I have tried turning my phone off and then on again, I have deleted the FB app and reinstalled it. And i try to reset network settings and reset all settings Nothing is working. I went into settings, then the Facebook app and I don't see anything in there that will help the situation.


Of course it is impossible to contact anyone at Facebook for help. Does anyone in here have any ideas?

Posted on May 31, 2019 2:01 AM

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Question marked as Top-ranking reply
User profile for user: Eric Root
Eric Root
User level: Level 10
684,567 points

Posted on May 31, 2019 6:18 AM

Do you have access to another WiFi network where you can try? That has worked for several people.


Try a forced restart.


Reset Device


If necessary


Hard reset


Do a backup and try a factory reset.


Restore to Factory setting

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Can't login to Facebook App $ instagram App

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