Restart Iphone 10. Press and hold either volume button and the side button until the power off slider appears. Press volume down and let go.
Force restart or soft reset is used to turn the power off. Please wait for around 20 seconds. In the device menu tap on the more option.
Basically it only closes the active apps without clearing away any data stored on your device.
If your device won t power back on partially charge the device then retry. With the device powered off press and hold the side button until the apple logo appears then release. Press and hold the side button until the apple logo appears. The slide to power off option will appear on top of the screen.