Is there a file to manually update iPad Air a1474
It says there’s an update available. It will download it but it won’t install. It appears to be loading but if the screen times out or you exit it stops.
iPad Air, iOS 9
You can see this for troubleshooting over the air updates, Get help with over-the-air iOS updates - Apple Support If that does not work, then the information that Elitegate provided is your next step. Update your iPhone, iPad, or iPod touch - Apple Support