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
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You can continue to find trusted guidance and support on the official Apple Support site.
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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
how to update iphone 6s plus with software version 15.6 to a new version
Earlier iPhone models
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.
(262638)
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.
(262638)
An iPhone 6s Plus can be updated to iOS 15.8.5 and no higher. If you need a higher iOS version, then you'll need retire your very old, out of date iPhone and buy a new iPhone.
Update iPhone 6s Plus software from version 15.6