Update iPhone 6s Plus software from version 15.6

how to update iphone 6s plus with software version 15.6 to a new version

Earlier iPhone models

Posted on Feb 3, 2026 9:09 AM

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Posted on Feb 3, 2026 9:12 AM

An iPhone 6s, iPhone 6s Plus, iPhone 7, iPhone 7 Plus, or iPhone SE 1 isn't capable of 16 or above; they require an A11 or better CPU. To install 15.8.6, use a computer or the Software Update function in Settings.


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Update iPhone 6s Plus software from version 15.6

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