If you are wondering if your iPhone or iPad is compatible with ... by the A7 and A8 chips including iPhone 5S, 6 and 6 Plus. The iOS 13 update also dropped the iPad mini 2, iPad Air, iPad mini ...
I'm guessing you don't want to hear me bang on about backups, especially iPhone backups ... that can save your hide in the unlikely event something goes wrong with the iOS 18.2 update.