Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff. It’s quite possible that you live in a house with a lot of kids who often snatch your phone to play games and watch videos. That’s probably fine by you, but you might not want them to peek into your WhatsApp chats. Thankfully, WhatsApp allows you to lock your app with a fingerprint or a FaceID. WhatsApp enabled this setting for iOS back in February, and yesterday it rolled it out for Android phones. You won’t…
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