The ability to see a full-size version of a profile picture even if the account is locked.
If a profile is private or locked, the only official ways to view their content are: facebook private profile viewer by istaunch
: Facebook’s architecture is built specifically to prevent this. Official sources confirm that Facebook does not allow third-party apps to track who views your profile or bypass privacy settings. The ability to see a full-size version of
: Many "private viewer" sites are scams designed to trick users into completing surveys or downloading malicious software. facebook private profile viewer by istaunch