One of the most significant changes to the Pixel 4 was the omission of the fingerprint scanner to fully bet on the advanced facial recognition system, using several technologies used for iPhone ID face recognition.
Although the program offers great comfort and security, the software does not come packaged enough, and has great weaknesses, such as being able to unlock the phone even with your eyes closed. Google has already corrected this error in DP2 for Android 11, but in this case it is already providing an update for everyone.
Google Pixel 4: analysis and evaluation. Camera attached to Android
The April update enhances Pixel 4's face recognition
Is it a security problem that Google Pixel 4 can be turned on when you are closed? Although in many cases it is not a major problem, the fact is that it leaves a huge possibility, and that is that one can take your cell phone while you sleep and unlock it without your consent.
Pixel 4 users have had this security problem for months and Google has finally decided to end the wait. After this work has come a second time Developer preview For Android 11, we can finally have this new feature without installing the beta.
And how is it achieved? for mobile update. This feature was introduced in the newest update of Android 10 with the April 2020 security patch, which Google started using a few hours ago.
The most likely thing is that in the next few days your phone will automatically update while charging and you have to restart it, but if you want to try it, you should go to Settings -> System -> Advanced -> System Update. Just look for updates and they should already be available.
In addition to these add-ons, Google has fixed the existing Bluetooth issues on the Pixel 2, Pixel 3, 3A, Pixel 4 and its XL variants.
