Can't Login Facebook 2019
Assuming you have the right login e-mail and password (and you're attached to the internet) there's a couple of things that could be causing your problems:
Can't Login Facebook
Are you obtaining an error message? If so, inspect the Facebook help page for explanations and fixes to known concerns.
Make sure you do not have any type of expansions or antivirus programs running that are obstructing Facebook.
Have you attempted clearing the app's cache? Most likely to Setups > Apps > Facebook > Clear Cache. If this doesn't work you can attempt clearing information also and also as a last option uninstalling and re-installing the application entirely.
Did you register with your phone number? See to it you enter the country code also when logging in.
If the app is informing you to update your email address, this is more than likely due to the fact that your email web server is labeling your Facebook emails as spam.
If you have actually just recently enrolled in Facebook you may need to verify your account first. If you have actually just recently changed your password, make certain you're attempting to log in with the brand-new password and also not the old one.
If you're logging in using a browser, make certain you have cookies made it possible for which facebook.com is included in your list of secure websites.
See to it you have one of the most recent version of the Facebook app for Android.