"Lose support" - ITavisen

If you have an Apple Watch Series 4, a well-known source believes you won't get this year's watchOS update.

The Apple Watch Series 4 is six years old

Now it's not rumored that version 11 will be a major update, which makes sense given that watchOS 10 is relatively new and is a major overhaul of both the interface and the way watches work. But some improvements are also on the way this year, and without knowing exactly what will be improved, we won't know until WWDC on June 10, so it will likely have to do with AI in one way or another.

Speaking of watchOS 10, all watchOS 9 watches can be upgraded to the latest operating system, but to install version 11, you'll probably have to get one of the following models:

Apple Watch Series 5 (2019)
Apple Watch Series 6 (2020)
Apple Watch Series 7 (2021)
Apple Watch Series 8 (2022)
Apple Watch Series 9 (2023)
Apple Watch SE (1st generation, 2020)
Apple Watch SE (2nd generation, 2022)
Apple Watch Ultra (1st generation, 2022)
Apple Watch Ultra 2 (2023)

Before, it was rumored that all iPhones that can install iOS 17 can install iOS 18, but some AI functions will be reserved for A-chips with more powerful NPU performance:

“Anyway, the problem is that the list of iPhones (and iPads) that can install iOS 18/iPadOS 18 – if this is true, will be the same devices that can install iOS 17. It has already been revealed that the new iOS 18 version will get It has an updated interface that borrows interface elements from VisionOS, and much better support for AI messaging, Siri, and RCS.