[layer8]

There are a lot of intranet web applications that require IE, and IE is still in support by Microsoft. Even on Windows 11 Edge still has IE Mode for that reason. IPhones stuck on older iOS version by definition aren’t supported by Apple anymore.

[kstrauser]

Use those browsers for the internal undead apps, but a modern browser for the Internet.

Those phones are still supported. The most recent iOS 16 update was in September 2025.