IOs has several software methods of bringing up the "slide to power off" screen, including via Settings and the Control ...

Eventually, I discovered that I could double-press the power button to launch the camera on my Samsung phone. It also works on Google Pixel phones and other devices.

To access Emergency Restart, press the CTRL + ALT + DEL keys on your Windows PC -- a pretty normal action. However, this time, hold down the CTRL key and click the power button in the bottom-right ...

You can press and hold the power button to initiate voice typing on Samsung phones.

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.