If the issue persists, contact Facebook Support for further assistance. Always respect the privacy of others and follow ethical guidelines online.
This is the fastest, most reliable method for without any third-party tools. It works because Facebook loads a larger image file in the background but overlays a smaller, sharper version upon click.
: This is the only official way to view a "Locked" profile photo in full resolution. Visual Enhancement
Facebook stores multiple resolutions of every profile picture on their CDN (Content Delivery Network). By forcing the browser to request a different size flag, you get the better version.
Right-click the profile picture and select Inspect . Look for the tag and find the source link ( src ).
On Android, use “Open in Chrome” then long-press the image and select “Open image in new tab.” The resulting file name often includes _n.jpg which indicates a higher resolution.