Good Lock is the one thing that makes Samsung Galaxy devices truly unique

Every major phone has some claim to fame that makes it worth considering. The Google Pixel 9 family has unique AI-powered experiences like Pixel Screenshots, Add Me, Call Screening, and more. The OnePlus 13 sports the most rugged IP rating around, plus epic battery life, charging speed, and performance.

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Android Central Labs is a weekly column devoted to deep dives, experiments, and a focused look into the tech you use. It covers phones, tablets, and everything in between.

So what do Samsung phones like the Galaxy S25 Ultra have? Samsung Good Lock. No, that’s not me misspelling “good luck, Samsung.” That’s the name for Samsung’s epic software and UI customization suite, which debuted in South Korea in 2016 and has since expanded in scope and presence worldwide.

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