You don't need the power button to restart your Android. If yours is broken or you just want options, here are two.
Fix bad reception fast with reliable steps like toggling Airplane Mode, restarting, or resetting your phone’s network ...
You spent a small fortune on that smartphone. It’s got more processing power than the computers NASA used to land on the moon ...
If you haven’t updated your phone’s operating system — or just haven’t found your way around the new software yet — here’s a quick overview.