Screen Capture does not work with the power and volume down buttons | XDA Forums. New posts. Manufacturers. What's new. Members. I don't know if there is that have changed for the Samsung Galaxy Note 20 Ultra but I am not able to capture the screen of my mobile phone. Take a screenshot on the Galaxy S21. Andrew Martonik/Digital Trends. Once you have something on the screen that you wish to take a snapshot of, press both the Side button (the sleep/wake button Method 1: Using Volume Buttons. In most cases, using volume buttons on your Samsung Galaxy S23 Plus to take a screenshot is the best option. Step 1: Open the screen from which you want to take a screenshot. Step 2: Press the Volume down and power button simultaneously or hold it for a second. G9Li.