From time to time, apps get updated, bringing interface tweaks, bug patches and new features. But updates occasionally make an app worse, and may no longer work on a particular model of iPad or iPhone ...

It's not uncommon at all for some people to be running a version of their smartphone operating system that is very old. Apple doesn't have as big a problem with users running old versions of the ...

Apple hasn't totally left old iPad owners behind. In addition to still signing the last iOS releases for those devices, you can still download software for them — assuming you know where to look.