To take a screenshot on a Samsung phone, you have several easy methods:

1. Button Combination

• Press and hold the Power (or Side) button and the Volume Down button simultaneously for about 1 second, then release.
• The screen will flash, indicating the screenshot was taken.
• The screenshot will be saved automatically to your Gallery or Photos app

2. Palm Swipe Gesture

• Enable it first: Go to Settings > Advanced features > Motions and gestures, then turn on Palm swipe to capture.
• To capture, swipe the edge of your hand horizontally across the screen (left to right or right to left).
• The screen will flash, and the screenshot will be saved

3. Voice Command

• Use Samsung's Bixby assistant by saying, "Hey Bixby, take a screenshot."
• Or use Google Assistant by saying, "Hey Google, take a screenshot."
• The screenshot will be captured and saved automatically

4. Scroll Capture (for long pages)

• Take a normal screenshot using the button method.
• When the toolbar appears, tap the Scroll capture button (downward arrow) to capture more of the page.
• Keep tapping until the entire content is captured.
• This feature requires Smart capture to be enabled in Settings > Advanced features

These methods cover nearly all Samsung Galaxy phones and tablets, including recent models like the Galaxy S and Note series