Kerry Wan/ZDNETDid someone on Reddit just uncover one of the best-kept secrets of Samsung Galaxy phones? OneUI, the software launcher that powers Samsung phones, is best known for its abundance of features — so much so that you’ll either never use some of them because there’s simply too much, or they’re just hidden from plain sight.Also: How earthquake alerts work on Android – and how to make sure they’re enabled on your phoneA recent discovery may take the crown for best hidden feature. The feature is called “Connectivity Labs,” and it’s only accessible with a secret gesture within your phone’s Wi-Fi settings. Cool, right? The capabilities within Connectivity Labs are even cooler; they include a home Wi-Fi inspection tool, AI-powered mobile data switching, developer options, and more. Here’s how to access them, which Samsung models are compatible, and some of the best features you should start using.How to turn on Connectivity Labs on a Samsung phoneWhat you’ll need: A Samsung phone running OneUI 6 or newer (anything after the Galaxy S20 series). More