Don't Panic If There Are iOS 9.0.1 Problems
If you do run into iOS 9.0.1 problems, don't panic. You have a ton of resources at your disposal.
We expect there to be iOS 9.0.1 problems. Things like battery drain and app issues are extremely common after iOS releases. If you do a little prep, you can limit these issues, but you can't guarantee your devices stability after an update.
If you run into an iOS 9.0.1 problem, take a look at our list of fixes for common iOS 9 problems. They should help. If they don't, hunt around at other publications or on Apple's discussion forums for potential fixes for iOS 9.0.1 issues.