I updated my trusty iPad 4 to iOS 9 and ... it's awful. It reboots about every 10 minutes. Everything is so slow it's useless.
I guess I'll wipe it and start over, but trying to restore to 8.4.1 (i have the .ipw file) fails.
Help?
iPad (4th gen) Wi-Fi + Cellular (MM), iOS 9.0.1
You cannot upgrade the iOS. It was never supported by Apple.
Try to reset your device. This won't delete your data stored on this device.
Alternatively, you may go to Settings - General - Reset - Reset All Settings
https://support.apple.com/en-us/HT201559
If this does not help, restore your device to factory settings. Note that this will erase the data from your device.
Take a look this Apple Support article: Use iTunes to restore your iPhone, iPad, or iPod to factory settings - Apple Support.
If these steps don't work, contact Apple and ask for help.
Thank you for the helpful hints. It looks like erasing and starting over is my only option, which is really a big shame. Boo on Apple.
You are welcome. Hope this helps.
Block mesu.apple.com at DNS-level (in your router) and accidental upgrades will be a history. Hope that helps others.
downgrade from ios 9 to 8
