Are you linked to the web? Haha, seriously though, are you?
Presuming you have the ideal login e-mail as well as password (and also you're attached to the web) there's a couple of things that might be triggering your problems:
My Facebook Wont Log In
Are you getting a mistake message? If so, examine the Facebook help page for descriptions as well as fixes to known problems.
See to it you do not have any expansions or antivirus programs running that are blocking Facebook.
Have you attempted getting rid of the app's cache? Go to Setups > Apps > Facebook > Clear Cache. If this doesn't function you can try clearing up data too and also as a last option uninstalling and re-installing the app completely.
Did you join your phone number? Make certain you type in the nation code also when logging in.
If the app is informing you to upgrade your e-mail address, this is most likely since your email web server is classifying your Facebook emails as spam.
If you've lately signed up for Facebook you could require to verify your account first. If you've recently transformed your password, see to it you're attempting to visit with the brand-new password as well as not the old one.
If you're logging in via a web browser, make certain you have cookies allowed and that facebook.com is included in your list of safe sites.
Make certain you have the most current version of the Facebook app for Android.