Can I update my iPhone 7 Plus from iOS 15.8.2 to iOS 16.3?

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 15.8.4, use a computer or the Software Update function in Settings.

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andrews212 wrote:

How to update my iOS from 15.8.2 to iOS 16.3

You cannot update an iPhone 7 Plus to iOS 16 or higher. That phone – which originally shipped with iOS 10 – no longer receives major iOS updates.

You can update an iPhone 7 Plus to the latest release of iOS 15 – currently iOS 15.8.4. Since you are running iOS 15.8.2 now, it would be a good idea to update to pick up the security fixes in iOS 15.8.3 and iOS 15.8.4.

About iOS 15 Updates - Apple Support

Update your iPhone or iPad - Apple Support

The furthest it is capable due to hardware limitations is iOS 15.8.3, as it no longer receives the latest updates.

You might want to update your records. iOS 15.8.4 with some important security updates was released on March 31, about 3 weeks ago.

Bob Timmons wrote:

The furthest it is capable due to hardware limitations is iOS 15.8.3, as it no longer receives the latest updates.

iOS 15.8.4 was released on March 31, about 3 weeks ago.

That’s right, forgot about it. Thanks.

itzkluivert wrote:

I want to download iOS 15.8

You cannot pick and choose a version of iOS.

If you have an iPhone 7 Plus, you can update to iOS 15.8.4 – but you can no longer update to iOS 15.8, specifically. As Apple releases new updates, they limit or remove the availability of older ones.

An iPhone 7 Plus does not have the hardware to go past iOS 15. You'll need a newer phone to get iOS 16.

Updates not available 15.1 version

An iPhone 7 is not capable of iOS 16. The furthest it is capable due to hardware limitations is iOS 15.8.4, as it no longer receives the latest updates. An iPhone 8 and later is capable of iOS 16.

I want to download iOS 15.8