My iPad mini gets worse after iOS 9 updates.
Finally, I finished update for iOS 9.0.2.
But, there is nothing get better.
The biggest uncomfortable things are.....
1) Keyboard typing is get slower.
2) Some game apps easily stop.
3) Safari keep reloading on many web pages.
4) Generally it works slower than before iOS 9.0.0.
Even though I tried to reset as first time, It is nothing better.
iPad Mini, iOS 9.0.2