If you enter your username and password, you aren't logging into Facebook. You are handing your login credentials directly to the criminals who created the fake page. They will immediately steal your account, lock you out by changing your password, and then use your account to scam your friends and family or sell your information to other criminals.
: Use Messenger to ask the person for the information you are looking for. facebook locked profile viewer online link
Facebook utilizes enterprise-grade, server-side encryption and strict access control lists (ACLs) to manage data visibility. When a user locks their profile, the restriction happens directly on Facebook’s secure servers, not on your local device web browser. If you enter your username and password, you