iphone gehakt

Hey shoni272,

If you need to restart your iPhone, you can find the steps to do that here: Turn iPhone on or off - Apple Support

"Turn on iPhone

Press and hold the side button until the Apple logo appears.

Turn off iPhone

• iPhone with Face ID: Simultaneously press and hold the side button and either volume button until the sliders appear, then drag the Power Off slider.
• iPhone with the Home button: Press and hold the side button, then drag the slider.
• 
• All models: Go to Settings  > General > Shut Down, then drag the slider."

If you're referring to resetting your iPhone to factory settings, you can find those steps here: How to factory reset your iPhone, iPad, or iPod touch - Apple Support

Thanks!