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The Gallery app on your Galaxy device lets you view and organize your pictures and videos.
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If you have a Samsung, there's a hidden setting inside the Gallery app that nobody talks about, but it's there. And you can unlock it in a few steps. Open your settings and search for Gallery. You'll see it under Apps. Tap on that. Inside, change three things. First, open Mobile data and turn off allow background data. This stops the Gallery from sending your photos and videos through background uploads. Go back and tap Battery. Set it to Restricted so the app doesn't drain power while you're not using it. Go back again and hit Appear on top and switch off that permission. Now open the actual Gallery app. Tap Menu at the bottom, then go into Settings. Scroll until you find About Gallery. Look at the version number and tap on it five times fast. You'll see a small pop-up saying Gallery Labs is enabled. Go back to Gallery settings and scroll to the very bottom. You'll see a new option called Gallery Labs. Open it. Now you've unlocked Samsung's hidden tools. They don't show by default, including saving photos straight as PDFs.