Can't Sign Into Facebook 2019
Assuming you have the right login e-mail as well as password (as well as you're linked to the web) there's a few points that could be triggering your issues:
Can't Sign Into Facebook
Are you getting a mistake message? If so, check the Facebook help page for explanations and fixes to known problems.
Make sure you do not have any kind of extensions or antivirus programs running that are obstructing Facebook.
Have you tried getting rid of the application's cache? Most likely to Setups > Apps > Facebook > Clear Cache. If this does not work you can try cleaning data too and as a last hope uninstalling and also re-installing the app totally.
Did you sign up with your telephone number? Make sure you key in the nation code as well when logging in.
If the application is telling you to upgrade your e-mail address, this is more than likely due to the fact that your e-mail web server is classifying your Facebook emails as spam.
If you've recently registered for Facebook you could require to validate your account initially. If you've lately transformed your password, make sure you're trying to visit with the new password and also not the old one.
If you're visiting through an internet browser, see to it you have cookies made it possible for which facebook.com is contributed to your checklist of secure sites.
See to it you have one of the most recent version of the Facebook app for Android.