KICHI: jeste k tem caches:
More about cached files in "Other" iOS storage
Cached files are created when streaming or viewing content like music, videos, and photos. When you stream music or video, that content is stored as cached files on your iOS device. iTunes categorizes cached music, videos, and photos as Other instead of actual songs, videos, or photos.
If storage amounts on an iOS device differ from what you see reported in iTunes
Since iTunes categorizes cached files as Other, reported usage for Music or Videos might differ. To view usage on your iOS device, go to Settings > General > Usage > Manage Storage.