Software Update Failed Error for iOS 15.7 on iPhone 8
I’m unable to install the update IOS 15.7 on my iPhone 8. I get an error message that software update failed
[Re-Titled by Moderator]
iPhone 8, iOS 15
Update problem
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84 replies
Please read the rest of the 5 page thread that you just posted to. I’m sure you will find the answer in it.
I was able to resolve this problem by freeing up memory. With under 5Gb free the download failed. With over 10Gb free I had success.
Try freeing more space. It seems like you need almost 10Gb of free space on the iPhone for the upgrade.
Not install iOS 5.7 and iOS 6.2
izhar34 wrote:
Not install iOS 5.7 and iOS 6.2
What kind of iPhone? You can’t install 5.7 or 6.2, but you can install 15.7.1 if you have an iPhone 6s or 7 or 16.1 if you have an iPhone 8 or newer.
I think this is a question for Apple to answer. Posters are sharing how they were able to resolve this issue without any guidance from Apple. Wish there was more I could do to help
Your cell signal is very weak, or you have cellular data turned off.
Not update iOS 15.7
Software Update Failed Error for iOS 15.7 on iPhone 8