Facebook's profile locking is a privacy feature available in specific regions (such as India, Egypt, and Pakistan) that restricts visibility to . 10 REASONS PEOPLE LOCK THEIR FACEBOOK PROFILE
If a profile is locked, Facebook's architecture strictly limits data delivery to authorized friends only. Most "viewer" tools are phishing scams or malware traps facebook locked profile viewer online link
That being said, here are some general tips on how to view a locked Facebook profile: Facebook's profile locking is a privacy feature available
The Truth About "Facebook Locked Profile Viewer Online" Links: Do They Actually Work? facebook locked profile viewer online link