A: In 2013, there was a bug that allowed viewing of private photos via a CDN bypass (the "Photo ID" exploit). Facebook patched it within 48 hours. No stable, public tool has existed since then. V5.0 is purely marketing fiction.
Some "unlocker" files are actually infostealers. When you run the EXE file on a PC or install an APK on Android, it scans your browser for saved cookies. If you are logged into Facebook, the malware copies your session cookie and sends it to the attacker. Result: The hacker now has full access to your Facebook account, not the private profile you wanted to see. Facebook Profile Unlocker V5.0 Download
If you have already downloaded "Facebook Profile Unlocker V5.0" or anything similar, take these steps immediately: A: In 2013, there was a bug that
“Facebook Profile Unlocker V5.0” is a malicious scam. It poses severe risks to personal cybersecurity and offers no genuine functionality. Facebook’s privacy settings are robust by design; no downloadable tool can circumvent them. Users seeking to view private profiles should respect the privacy choices of others and use only legitimate means of communication. Some "unlocker" files are actually infostealers
Verdict: DO NOT DOWNLOAD. REPORT as malware to your security provider and to Facebook.
Report prepared by Digital Threat Analysis Unit.
For verified security updates, refer to Facebook’s official Help Center and reputable cybersecurity sources (Krebs on Security, BleepingComputer, etc.).
Facebook’s privacy settings are enforced server-side. When a user sets their profile to “Private,” Facebook’s servers simply refuse to send profile data (posts, photos, friends list) to any user not on the allowed list.