Need update iPhone 6s Plus
[Re-Titled by Moderator]
iPhone 6s Plus, iOS 15
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 15.8.3, use a computer or the Software Update function in Settings.
(257759)
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 15.8.3, use a computer or the Software Update function in Settings.
(257759)
Your tag line says that your iPhone 6s Plus is running iOS 15. You can update an iPhone 6s Plus to the latest release of iOS 15 – currently iOS 15.8.3.
About iOS 15 Updates - Apple Support
Update your iPhone or iPad - Apple Support
You cannot update an iPhone 6s Plus to iOS 16 or higher, and it will not offer you updates to those versions.
Tap Settings > General > Software Update
What is the message that you see there?
How do I update my iPhone 6s Plus iOS?
