I can’t update my iPhone 6s Plus to iOS 15.4!

Why can’t I update my iPhone 6s Plus to iOS 15.4?

iPhone 6s Plus, iOS 12

Posted on Mar 22, 2022 12:43 PM

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Question marked as Top-ranking reply

Posted on Mar 22, 2022 01:31 PM

ldean9574 wrote:

It’s currently 12.4.1

Because you are so far behind with the version of iOS, you may need to use iTunes on a computer to complete the update.


Update your iPhone, iPad, or iPod touch with iTunes - Apple Support (CA)

Update your iPhone, iPad, or iPod touch with the Finder - Apple Support (CA)

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I can’t update my iPhone 6s Plus to iOS 15.4!

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