13 Ways To Stop Your iPhone From Losing Charge4. Background App RefreshImage: iOS7 | Flickr – Photo Sharing!Kārlis Dambrāns Attribution 2.0 Generic / CC BY 2.0 This is another one of those hidden apps that most people are unaware off. You can turn it off for one particular app or the whole bunch.Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13