Part 1: How to Turn on iPhone without Power Button
- Connect iPhone to USB cable;
- Press and hold the Home button;
- Plug the iPhone into computer, then the iPhone will automatically start.
Part 2: How to Turn off iPhone without Power Button
Fistly, set up Assistive Touch on iPhone:
- Go to Settings on iPhone;
- Tap General;
- Choose Accessibility;
- Turn on Assistive Touch;
Then:
- Tap Assistive icon, then you will see Device;
- Press and hold Lock Screen until the power off screen appears;
- Now you can slide to turn off iPhone.
That’s it!