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10 Hidden Features in Your Smartphone You’re Not Using (But Should) Smartphones are packed with power, but most of us only scratch the surface. Whether you're team iPhone or Android, there are features buried in the settings or hidden behind gestures that can seriously level up your daily use. Let’s uncover 10 underrated features that might just blow your mind. 1. Back Tap (iPhone) / Gesture Shortcuts (Android) Double- or triple-tap the back of your phone to trigger actions like opening the camera, taking a screenshot, or launching an app. It’s like a secret button. > iPhone: Settings > Accessibility > Touch > Back Tap Android: Varies by brand (check gesture settings or install gesture apps) 2. App Lock (Android) Want to protect apps like WhatsApp or banking apps with a fingerprint? Many Android phones (especially Xiaomi, OnePlus, Samsung) let you lock apps individually. > Look for “App Lock” in Security settings or use third-party apps like Norton App Lock. 3. Buil...