Facebook is completely rolled out to the new Pop-up Photo viewer for all Facebook accounts. Facebook implemented this to improve slide show of the gallery with some relative advertisements below the slide. But many of us didn’t like the new pop-up photo viewer because its very slow for the users who are sharing a common internet line.
Manual Trick – Without any add-ons and Scripts in Firefox and Chrome
In Firefox or Chrome once the new Pop-Up Photo Viewer has loaded, hit enter on the URL again or just hit F5 (Shortcut to Page refresh).
Disable or Turn Off Facebook Pop-Up Photo Viewer Permanently in Firefox
It will permanently disable the Pop-up Photo viewer in Firefox.
Disable or Turn Off Facebook Pop-Up Photo Viewer Permanently in Google Chrome
Install the Revert FB Photo Viewer extension for Chrome. It will permanently disable the Pop-up Photo viewer in Google Chrome.