Restarting your iPhone is usually straightforward, but it gets a bit trickier if you don't have a working power button.

Quick Answer: To restart your iPhone without the power button, go to Settings > General > Shut Down, then slide to power off. You can also ask Siri to restart your iPhone without the button.

To restart your iPhone without the power button, you can shut down via settings, ask Siri for help, or let your battery die. Then, recharge or turn back on.