Take a picture of the screen on iPhone
You can take a picture of the screen, just as it appears, to share with others or use in documents.
Take a screenshot
Do one of the following:
iPhone X and later: Simultaneously press and then release the side button and volume up button.
Other models: Simultaneously press and then release the Home button and the side button or Sleep/Wake button (depending on your model).
Tap the screenshot in the lower-left corner, then tap Done.
Choose Save to Photos or Delete Screenshot.
If you save the screenshot, you can view it in the Screenshots album in the Photos app, or in the All Photos album if iCloud Photos is turned on in Settings > Photos.