There Are Fixes for iOS 8.4.1 Problems
If you're nervous about the potential for iOS 8.4.1 problems or you're already dealing with issues on the iPhone 5, you'll want to take a look at our list of fixes for common iOS 8.4 problems.
These fixes have worked for many people and there's a good chance they'll work for you and your iPhone 5. They're not guaranteed to work though.
We've also put together a guide that will help you fix iOS 8.4.1 battery drain. Keep these battery life tips and the other fixes in mind for future updates. They should help with iOS 9 as well.