The long-awaited iOS 13 has been officially unveiled today at WWDC 2019, which comes with new features and desirable improvements to live up to Apple users' expectations. If you're attracted by its thoughtful Dark Mode, 2x faster app launch speed, built-in swipe keyboard - QuickPath, better photo editing functions and more, you've probably already installed the iOS 13 beta on your iPhone, iPad or iPod touch in the first place.
But, just like every new release in the past, the installed iOS 13 beta likely get your iOS device run into some bugs or glitches. Or maybe the performance isn't as good as it sounds. Surely, it's an unsatisfying thing to experience app crash, program strike, or video lag, etc. If you are going to downgrade iOS 13 beta now to get back to the iOS 12 final public release, you can read this iOS troubleshooting carefully.