You don't need the power button to restart your Android. If yours is broken or you just want options, here are two.
Add text: Settings > Display & touch > Lock screen > Add text on lock screen. Edit shortcuts: Settings > Display & touch > Lock screen > Shortcuts. Change how you unlock it: Search Settings for Screen ...
ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...