The Pixel 4 has one of the best face unlock systems ever seen on an Android phone. It’s incredibly fast, uses Motion Sense to engage itself without you having to press the power button, and is the first Android face unlock to work as a form of biometric authentication for major banking apps, password managers, etc.
Unfortunately, ever since the Pixel 4 hit the market back in October 2019, there’s been a serious security vulnerability with the way it’s set up — it worked even if your eyes were closed. This means someone could grab your phone, hold it up to your face while you were asleep or otherwise weren’t paying attention, and have instant access to your device. Thankfully, this has finally been addressed.
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As part of the April 2020 security patch that began rolling out to the Pixel 4 on April 6, there’s a new…