The third beta of iOS 7.1 includes a feature that allows users to delete the over-the-air installation files that are automatically installed whenever an iPhone is connected to AC power, according to German site Macerkopf.de [Google Translation]. Deletable installation files will allow users who do not wish to upgrade their devices to new versions of iOS to free up valuable space on their devices. Previously, updates downloaded over-the-air could not be removed, an issue that received attention in September after iOS 6 users were
