Face unlock on the Pixel 4 just gained an important security feature you need to turn on
(PCWorld)

While Face Unlock on the Pixel 4 is definitely an improvement over both physical and in-display fingerprint scanners, Google´s 3D face scanning biometric isn´t all it could be. For one, it has limited app support, but even for simple unlocking, there´s a flaw that could allow someone to unlock your phone without your permission. A new feature rolling out as part of the April Security Update fixes that.Once the update hits your phone this week, a new toggle will appear inside the Face Unlock tab in the Device Security settings. It´s called `Require eyes to be open,` and as the name suggests, it won´t unlock your phone unless your eyes are open. That means if you´re sleeping someone can´t get into your phone and if you just want to keep someone out, all you need to do is close your eyes.To read this article in full, please click here