So yesterday, I stayed up for an extra hour to install iOS 8. When it had finally finished 'downloading' I noticed there was nothing new on my iPad, like the health app. So I went onto the updates section again and the iOS 8 update was still there - and the previous attempt had taken up 900MB of space! I have an iPad 2 if that's anything to do with it. If anyone could tell me why this has happened it would be appreciated. Thanks x:)
Added (1). PS: I had enough storage space to download it in the first place.
Read more: Why has iOs8 not installed?