WIll not boot, many, many errors
Hi. For a few days my one-year-old iPad Air has been acting up. Some apps will take a while to load and once they do, it goes to the home screen. Last night, it was doing that for most of my apps, so I tried powering it off. I held the power button for a full minute, and all it did was turn off into standby. There was a new update that had been there for 2 weeks and I tried updating it. It wouldn't let me. Finally, when nothing was working I did a settings reset. It has been about 12 hours since I did that and the bar under that Apple logo has not moved a millimeter. I tried connecting it to Apple Diagnostics, but it wouldn't work. WHat could be wrong with my iPad?