Blank boxes in gallery
I have an annoying issue with my gallery - majority of the pictures taken before October 2014 appear to be unviewable, as can be seen in the picture. however, if you tap on them, they will appear for a split second before a "loading" screen appears. Some of these were taken with the iPhone already, some were taken on previous phones. The cut off point after which it doesn't happen seem to be October 20th 2014, which might be when I got my replacement iPhone. Is there any way to recover these, since the pictures are still there but disappear under the loading screen?
iPhone 5s, iOS 8.4