How to may iPhone 7 Plus update
How to my iPhone 7 Plus software update
iPhone 7 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 15.8.2, use a computer or the Software Update function in Settings.
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