The above information is okay iPhonesoft from sources close to Apple. Besides iOS, iPadOS 16 is said to no longer support the iPad mini 4, iPad Air 2, iPad 5th generation and iPad Pro 2015. As such, iOS/iPadOS 16 will only be compatible with iOS. A10 processor or later.
iPhone 6s, 6s Plus and SE (1st generation) models will not be upgraded to iOS 16
In fact, nothing is certain before Apple officially announces it at the WWDC 2022 event.
At this time last year, iPhonesoft wrong prediction when claiming that the iPhone 6s, 6s Plus and SE lines are not supported by Apple to upgrade to iOS 15. However, their recent prediction is not unfounded, given the age of the phone lines. This has been around for 6 years and is currently quite “exhausted” with iOS 15 version.