My other storage in iOS 8 is now up to 13GB. I have deleted all videos and ensured that anything I streamed was fully downloaded and then deleted. I have backed up and then restored. This might be the thing that pushes me over the edge with this phone. I am off I a trip and want to take videos with me, but other is taking up all the space. I'll take it to the shop tomorrow and if they can't help I'll take it on the trip and then return it when I get back. Really sad, but I think my iPhone journey has come to an end after 7 years. Still love OS X though. Windows have a lot to do before I'd consider that. If you havesny ideas then let me know.