iOS 15.7 Update Failed

I can’t ios15.7 to download, keeps giving me an error. How do I fix this?


[Re-Titled by Moderator]

iPhone 11 Pro, iOS 15

Posted on Sep 13, 2022 10:01 PM

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Question marked as Top-ranking reply

Posted on Sep 14, 2022 7:39 AM

To update over the air from the phone all of these requirements must be met:

  • You need at least 6 GB of free storage
  • You must be connected to a Wi-Fi network (and not a personal hotspot) unless it is an iPhone 12 or 13 series or an SE 3rd edition with an active 5G network connection
  • The phone must be charged to at least 50%, and preferably plugged in so it stays above 50% during the update
  • The phone must not be in Low Power Mode
  • The phone must not be connected through VPN, and it may be necessary to delete any VPN apps and VPN profiles
  • The phone cannot be in Airplane mode
  • You cannot still have a beta version installed on the phone
  • You cannot have a previous version that was downloaded, but not installed - go to Settings/General/iPhone Storage to look; if you find an iOS installer, delete it


If you can't meet all of them you can still update using your computer.

54 replies

Sep 25, 2022 9:35 AM in response to Lawrence Finch

a) I said it was a software install, not an app.

b) What I'm saying is that, when you connect the phone, you get the notice to install the software and you click to install it, but then it fails with a message (screenshots are in those threads) that says the download failed (nothing to do with network). Other users have indicated that updating to 15.7 included a patch to solve the problem. So, what I'm saying is I will try this now that I have the update and then see where it goes.


No need to respond. I don't need any instruction on this, but thanks.

Oct 30, 2022 12:51 PM in response to Slyraccoons

Be really great if they had some sort of storage cloud, moved whatever crap they needed to to make room for their update and moved it back since I should not have to keep 10GB free for random security updates. What the heck. It kills old phones. I don’t have time to mess with their nonsense. That’s why I paid for Apple. I could have had three Sunday afternoon naps by now and instead am highly irritated.

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iOS 15.7 Update Failed

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