Originally Posted by misterpogs
Hello! You can try going to app settings and clearing the cache/data for the gallery app. This should force the app to rescan your sd card for content the next time you open the gallery. It doesn't hurt to unmount and mount your sd card from the storage option under settings. The latter won't work if you're storing pics on the internal card. Hope this helps.
Sent from my SCH-I545 using xda app-developers app
Neither worked but this did:
1: from Google play download fish bowl photo free..
2: open the app and go to menu or press menu on your phone.
3: click on advanced and then press start media scanner, app will close and scan wait 5 min and open gallery and check if your picture are there, if this doesn't work follow step 4.
4: click advanced then on find
missing photo go to sdcard,and click the folder where u have your pictures in my case DCIM,camera and select that folder with the check mark on the right the press menu on your phone and click add to gallery and it will start adding all the picture to your gallery let it finish now all your picture will be on your gallery use this process to add any picture on on your sdcard to gallery any question please ask...:thumbup: for me!
Sent from my SGH-T959V using Android Central Forums
It seems the media scanner was not running upon reboot as it should (still don't know why), so the solution was downloading an app called "scan media" and all it does is launch the media scanner process to search for media and populate the media storage. The app doesn't require any permissions at all.