A hidden file named .nomedia might exist in your download folder. This file explicitly tells the Android system to ignore that folder when scanning for media to show in the gallery.
If the video was downloaded in an unusual format (like .m3u8 or .ts parts), the gallery app won't recognize it as a single, playable video file. uc browser download video not showing in gallery
UC Browser frequently stores downloads within its own application folder, which is hidden from other apps like your gallery for security or data-saving purposes. A hidden file named
Downloaded videos from UC Browser often fail to appear in your gallery because the app saves them to its own isolated storage or a hidden folder that the system's media scanner cannot find. By default, these files may be tucked away in a "UCDownloads" or "My videos" directory that is not automatically indexed by your phone's gallery app. Why Videos Aren't Showing in Your Gallery Several factors can cause this issue: UC Browser frequently stores downloads within its own
Sometimes the system just hasn't scanned for new files yet, especially after a large batch of downloads. How to Fix UC Browser Downloads Not Showing
Redirecting future downloads to a standard folder like "DCIM" or "Downloads" often solves the problem permanently.