​​ ​

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.


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

Question marked as Top-ranking reply

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.


(262638)

2 replies

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Update iPhone 6s Plus software from version 15.6

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.