If you wish to take a screen shot of part of your screen, here’s how:
- Open the Settings app, and then tap Smart assistance > Motion control > Smart screenshot.
- Turn on Smart screenshot.
- Outline the area you want to screen shot using your knuckle.
- Next, you can select whether you want the capture to be in free-form, square, oval or heart shape.
- Tap Save to save it to an image (.png) file.