I have an iPhone 6, and didn’t notice any further performance issues after upgrading to 11.2.2. I did have pretty serious issues (which have mostly remained) si

I have an iPhone 6, and didn’t notice any further performance issues after upgrading to 11.2.2. I did have pretty serious issues (which have mostly remained) since upgrading to iOS 11. So I don’t think the latest version did anything more, at least on my phone.