If you want to screenshot something on your Android device without having to power off and on your phone, there are a few different ways to go about it. The first way is to use the volume down button. When the screen is off, press and hold the volume down button until the screenshot appears. The second way is to use the power button. When the screen is off, press and hold the power button until the screenshot appears. The third way is to use a third-party app like Screenshot Captor or Snagit. These apps will allow you to take screenshots without having to power off or on your phone. ..
