3 Functions He’s Talking About – Technical Terms: Camera Shutter: On most Android and iPhone phones, if you open the camera and press the volume up or down button, it takes a picture quickly. This is called the “Hardware Shutter Key.” It’s very useful if you want to take a selfie with a steady hand, without touching the screen. Fast Scroll: In some applications, like the Gallery or PDF files, if you hold down the volume button, it quickly scrolls through pages or images. This is called “Long Press Action.” Screenshot + Force Restart: Screenshot: Power button + Volume Down button = Screenshot. Force Restart: If the phone freezes, press and hold the power button + volume down
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