How to fix Facebook Login problem
Depends on what problem you are Facebook.
1. If you have problem with Facebook login password you can easily recover it here by entering email, username or mobile number.
2. For any issue related with browser > Clear browser cache for chrome on the address bar type
chrome://settings/clearBrowserData and clear cache images and files and time period select forever.
on Firefox go to history and clear cache.
3. Violating Facebook terms may result in verifying user account with images of friends to uploading ID Proof.
Always use valid phone number and email address to later be able to recover accounts