I have an update iOS 7.1.2 waiting which I cannot install since it tells me that I don’t have enough free space. The update is 28.8 MB and I have 1.1 GB free. But the update apparently requires 1.5 GB free to install, which is absolutely ridiculous. I realize that the update itself will not use the 1.5 GB afterwards, but this just reeks of bad design. This means that on my 16 GB iPad (where I already have to economize the space) I have to waste 10% of the disk in order to be able to install updates.
So, is there a way around this issue other than deleting additional apps or data? I have already deleted more than I cared for.
This huge hunger for disk space can also be rooted in security copies that have to be made in advance. On Windows, they are stored in the %APPDATA% “Apple Computer” directory under “MobileSync>Backup” and “iTunes>iPhone Software Updates”. Create symbolic links to save the needed directories on another disk drive instead. See the steps at How to change the location where iTunes stores backups of iPhones? and there the answer of @MartinPrikryl
Answered by questionto42 on November 11, 2021
Updating through iTunes rather than OTA has a smaller storage space requirement on the device. I believe it's much closer to 1 GB, but I don't have an actual number to provide.
To update through iTunes, connect your device over USB, select it and click Update.
Answered by grg on November 11, 2021
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