https://wccftech.com/list-of-iphone-models-potentially-compatible-with-upcoming-ios-16-update/

Apple will host its WWDC 2022 event on June 6 where it will announce iOS 16 and iPadOS 16 along with a boatload of new updates for the Mac, Apple Watch, Apple TV, and more. At this point, there are no concrete details available as to which iPhone models will be compatible with iOS 16. However, some models of the iPhone might not support Apple's forthcoming iOS 16 update. Earlier this month, Apple discontinued its iPod touch lineup which is an indication that older Apple products might end support for the company's new operating system.

As mentioned earlier, iOS 16 will be announced on June 6 at Apple's WWDC 2022 event. The update will not feature a major facelift, according to Mark Gurman. However, tweaks might be made to how we interact with the system and changes in Notifications and health tracking. In the past few years, Apple did not end support for a single iPhone model. What this means is that iOS 13, iOS 14, and iOS 15 were compatible with the same models of the iPhone which includes the iPhone 6s and iPhone 6s Plus.