Do not have 5GB space upgrade iOS 8!
Many people have risen iOS 8, some do all sorts of problems and can not be upgraded. The problem most people appear to believe that Software Update Failed issue that in fact most affected by the lack of space is also installed. The iOS update is only 1.1GB or so on the surface, but in fact to be at least 5GB of space for the job updates!
Why 5GB? Rather than the capacity of 1.1GB update file it? In fact, are compressed 1.1GB of IPSW file a file, it will unpack before installation. In addition, iOS will not update some files before iOS 7 "Backup", plus installation required real space, so this is enough to 5GB.
When the user completes the installation, backup iOS 7 will be cleared, and the installation files will be immediately deleted, so let users retrieve the available space.
Why 5GB? Rather than the capacity of 1.1GB update file it? In fact, are compressed 1.1GB of IPSW file a file, it will unpack before installation. In addition, iOS will not update some files before iOS 7 "Backup", plus installation required real space, so this is enough to 5GB.
When the user completes the installation, backup iOS 7 will be cleared, and the installation files will be immediately deleted, so let users retrieve the available space.
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