So, these are some practical methods that you can follow to unlock your Android phone when the power button is not working. As far as fixing your broken power button is concerned, there are two ways.

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.

Android power button not working? Here’s how to restart! The following are a few ways you can restart your smartphone without the power button: Plug the Phone into the charger ...

Android 16's convenient double-press power button shortcut for Google Wallet is only available on Pixel 8 and later devices.

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.

Android phones keep messing around with the power button, changing its default behavior and creating different shortcuts to turn off the phone. Just stop.