cant install ios with itunes

hi. i tried to install ios 9.3.4 to my phone but i cant.It says 'an error occurred installing iOS' Then i tried it with itunes on my computer(windows 10) It says 'not enough space for it' .But i have 127gb space in my computer.

please help me.

iPhone 5s, iOS 7.1.2

Posted on Aug 24, 2016 11:18 AM

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4 replies

Aug 24, 2016 11:56 AM in response to gizemkilci

Yes, phone space is still important when updating iOS with iTunes, although you do need less. Basically, by using iTunes you are saving some iPhone space by expanding the iOS update on your computer instead of your iPhone before copying those files to your iPhone. You iPhone still needs the space required (in either case) to receive those expanded files.


I'm very surprised that if you do indeed have 127 GB of space on your computer that you are getting the message 'not enough space on your computer'. Something seems fishy. Also 2.75 GB of space on your iPhone may not be enough to update from iOS 7.1.2 (from your tag line) to 9.3.4. I suspect that is the problem. Again, see the section "Delete content manually" in:


If you need more space for an iOS update - Apple Support

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cant install ios with itunes

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