- When the Slide to Power Off prompt displays, press the Side/Power button again.
- To totally turn off your iPhone, drag the slider.
- Press and hold the Side/Power button for 30 seconds, or until the Apple logo displays.
Restarting your iPhone also refreshes the operating system and clears the internal memory, allowing it to function quicker and better.
Data, personal information, and other materials saved on your device's internal memory will not be affected by a
soft reset or device restart. Having said that, making a backup isn't going to be easy.