The steps for restarting, powering on, and shutting down Apple 6s are as follows:

1. Restart

1. You can press and hold the "Power Button" and "Home Button" at the same time. Keep the button as shown in the picture.

2. After about 10 seconds, the restarting Apple logo will appear on the screen. Only then release the buttons. This means that the phone has started to restart.

2. Turn on the phone

1. Press and hold the "power button" on the right side of the phone. After a few seconds, the phone will turn on, as shown in the picture.

2. Afterwards, a black page will appear on the phone with an Apple on it, and the phone will start to boot.

3. If the phone has a screen saver password set, you need to enter the password manually at this time.

3. Shut down

1. Press and hold the "power button" on the right side of the phone. After a few seconds, the phone will turn on, as shown in the picture.

2. Until the "Slide to shut down" button appears on the phone screen, as shown in the picture, swipe right to complete the shutdown.