Upgrading iPhone 8 Plus from iOS 16 to 17.6

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Level 1

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I’m have an 8 Plus phone and a 16.0 IOS. How can upgrade to my IOS to 17.6?

[Re-Titled by Moderator]

Original Title: Upgrading IOS

iPhone 8 Plus, iOS 16

Posted on Aug 22, 2025 6:10 PM

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Answer 1

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Level 10

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An iPhone 8, iPhone 8 Plus, or iPhone X isn't capable of 17 or above; they require an A12 or better CPU.

(261117)

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Answer 2

Level 10

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Updates for the iPhone 8 Plus ended at iOS 16.7.11

No more updates after that.

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Answer 3

You cannot update your iPhone 8 Plus to iOS 17 – let alone iOS 17.6.

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