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.

We’ve all been there, needing to power off our iPhone but unsure about exactly the right way to do that. iOS 18 has a solution.

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.