Press the Side button and the Volume Up button at the same time
Quickly release both buttons
Tap the screenshot thumbnail to edit it, or wait for it to save automatically
Find the screenshot in the Photos app under Screenshots
On iPhone with a Home button, press the Home button and the Side or Top button at the same time
Quickly release both buttons
Tap the screenshot thumbnail to edit it, or wait for it to save automatically
Find the screenshot in the Photos app under Screenshots