An annoying issue that iOS users run into occasionally is that, when it comes time to install Apple’s big annual system update, you may not have enough space on your device to actually install it. This is especially prevalent in Apple’s 8GB and 16GB devices, and upgrading to iOS 8 last year was a big issue for owners of such devices. Fortunately, Apple has a solution with iOS 9, one which involves temporarily deleting some of your apps when there isn’t enough space.