Are you linked to the internet? Haha, seriously however, are you?
Assuming you have the ideal login email and also password (and also you're linked to the net) there's a couple of points that could be creating your troubles:
Why I Can't Login to Facebook
Are you getting a mistake message? If so, check the Facebook help page for explanations as well as fixes to recognized issues.
See to it you do not have any extensions or antivirus programs running that are obstructing Facebook.
Have you tried clearing the application's cache? Go to Settings > Applications > Facebook > Clear Cache. If this doesn't function you can attempt clearing up data as well and as a last hope uninstalling as well as re-installing the application completely.
Did you register with your telephone number? See to it you enter the nation code also when logging in.
If the app is telling you to upgrade your e-mail address, this is probably due to the fact that your e-mail web server is labeling your Facebook emails as spam.
If you have actually just recently enrolled in Facebook you may need to confirm your account first. If you've just recently altered your password, see to it you're attempting to log in with the brand-new password and also not the old one.
If you're visiting via a web browser, make certain you have cookies allowed and that facebook.com is contributed to your listing of secure websites.
Ensure you have one of the most current version of the Facebook app for Android.
