Problems with Logging Into Facebook 2019
Presuming you have the ideal login e-mail and password (and you're attached to the web) there's a couple of points that may be triggering your problems:
Problems With Logging Into Facebook
Are you getting an error message? If so, examine the Facebook help page for descriptions and fixes to well-known issues.
Make certain you do not have any kind of extensions or antivirus programs running that are obstructing Facebook.
Have you attempted getting rid of the app's cache? Go to Settings > Apps > Facebook > Clear Cache. If this does not work you can attempt cleaning data as well and as a last option uninstalling and re-installing the application totally.
Did you sign up with your telephone number? Ensure you type in the country code also when visiting.
If the application is telling you to upgrade your e-mail address, this is probably due to the fact that your e-mail web server is classifying your Facebook e-mails as spam.
If you have actually just recently registered for Facebook you could need to validate your account first. If you've just recently changed your password, see to it you're attempting to visit with the brand-new password and also not the old one.
If you're visiting using a web browser, make certain you have cookies allowed which facebook.com is added to your list of safe sites.
Make certain you have the most recent version of the Facebook app for Android.