How do I fix FIFA Mobile Login failed?
First, force close the app and restart your device. When you reload the game, a workaround is to login via the browser when the prompt appears, instead of the Facebook App. If this does not work you can go into Chrome or Safari depending on your device and log into Facebook, then try to login to FIFA Mobile.
Why can't I link my account in FIFA Mobile?
go to settings -> apps - >google play services-> storage - >manage storage-> clear all data. wait for a bit then login again.
Why is FIFA Mobile not working?
Restart your app, phone, or Wi-Fi
If an app gets stuck or is having trouble, forcing it to close and restarting it often fixes the issue.
How do I connect to FIFA Mobile?
Open FIFA Mobile. Go to the Settings menu. Under Account Management, choose Link Accounts. Click Link next to the option you want to link (like Facebook, Game Center, or Google Play).