One of the common problems many smartphone users encounter is No Power issue. If you have a Galaxy Tab A that won’t turn on, this troubleshooting article will most likely help. Learn what to do ...

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.

There are few ways to turn on a phone with a broken power button, unless you're willing to work to get your hands dirty with developer settings.

If you can’t turn it off, you’ll never be able to boot to Recovery Mode. If you are not able to shut the device off regularly via the Power button, wait until the phone’s battery is drained.