iPad says up to date but some features notmisable
I pay for iCloud and have updated but some features aren’t working
i am texting
iPad Air 2, iPadOS 15
Question marked as
If you have an iPad Air 2nd generation (as per the products list under your question), bear in mind that it cannot support iPadOS versions past 15.8 and, obviously, it can't run features released with versions 16, 17 or later.
See this compatibility list: