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.

Android black screen really makes users very uncomfortable. If you can not turn on the device, the screen is always black and unresponsive, maybe you should try some of the following solutions with ...

The Mac mini put the power button on the bottom of the device. To make it easier, a few designers already have a few novel solutions.