Turning an i Phone off and on often corrects flaky behavior caused by troublesome apps, content and settings.Hence, it can be especially frustrating when your i Phone refuses to shut down.During i OS update, you have to put i Phone into recovery mode, which may cause a restart-loop or i Phone gets stuck on red i Tunes logo, especially when not done properly.
Double-press the “Home” button to summon the multitasking bar.
If your touch-screen is unresponsive or you can't quit a troublesome app, then reset your i Phone.
Press and hold the “Sleep/Wake” button and “Home” button at the same time.
Rei Boot and Rei Boot (Mac) enables you to fix i OS freeze, i Phone crashed during i OS 10/9 update, Recovery Mode stuck, DFU stuck, red i Tunes logo stuck, etc. Then Rei Boot will automatically detect the condition of your i Phone.
You can either click "Enter Recovery Mode", "Exit Recovery Mode" or use both according to the detecting result to reboot your i Phone.