So you have finally bought the new Google Pixel 4, and just after a few updates, pixel 4 face unlock not working anymore? Unfortunately, the face unlock with the radar was something that mind-boggling, and we all have been waiting for. But, it turned out to be a stroke of bad luck for some users. The face unlock become unable to recognize their face leaving them completely in the dark. As for the smartphone, face unlock is the only biometric that's been available. So, the idea behind this article is to make you aware of what raised the problem in the first place? And how you can find a solution to that!

pixel 4 face unlock not working

Part 1: The Reasons Why Pixel 4 Face Unlock Not Working

The rumor about Google pixel 4 xl face unlock is not working started to spread back in November 2019. Still, not the majority of the users raised any query, as it was only affecting a handful of devices. But, the issue of pixel 4 face unlock not working started like wildfire after updating the phone with the December security patch.

People whose Pixel 4 was affected started to see two different kinds of error. While one error said, "Can't verify face. Hardware not available", the other gave the response with "Can't verify face. Try again". Minor bug issues with pixel phones are nothing unheard of. But, what makes all the fuss is that even the January security patch couldn't solve the problem.

Part 2: How Do You Reset the Face Unlock in Pixel 4?

This made all the users with face unlock invpixel 4 not working at the mercy of PIN, pattern, and password. But, after setting up their phones initially, the majority of them had forgotten their passcode. It leaves their phone utterly useless without even being able to unlock it. But, with the use of PassFab Android Unlocker, one can easily bypass their smartphone being able to use it for the time being. Another advantage of PassFab is that it can remove Pattern, PIN, and even fingerprint without the use of a password.

So, before starting out the unlocking process for all the pixel 4 xl face unlock not working one needs to download the tool. The PassFab Android Unlocker is available for both Windows and Mac. Down below is a list of all the steps that shall be required to bypass your Android lock screen.

Step 1: First of all, you need to launch the PassFab software from your computer. Now choose the option that says "Remove Screen Lock".

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Step 2: Now, you need to connect your android device to the computer via USB cord. After your device has been successfully connected to the software, a pop-up screen will appear with the "Start" prompt.

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Step 3: You will be greeted with another reminder, "Removing the lock screen password will erase all data on the device. Are you sure you want to proceed?" Click the "Yes" button to proceed further.

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Step 4: You need to wait a few minutes before your Android lock screen is completely removed. Now, select "Done" and you have successfully been able to recover the device without breaking it.

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Extra Tips: The Common Questions People Asked about Face Unlock

Q1: How does pixel 4 face unlock work?

The latest Google Pixel 4 consists of the Soli Radar Chip. This is mainly responsible for the entire fast unlocking system. As someone tries to pick up the phone, the radar detects the movement and makes the hardware ready for face unlock. Followed by the same, the face unlocks flood illuminator turns on to scan the face. It is basically an infrared light that is beyond the visible spectrum.

Q2: How do I enable Google Face Unlock?

In order to enable Google Face Unlock, follow the steps down below:

  • "Security" > "Face Unlock."
  • Enter the password, pin or pattern.
  • "Set up face unlock" > "Agree" > "Start"
  • Once the initial set-up is done, hit "Done".

Q3: Can Face ID be fooled by a picture?

There is evidence proving the fact that whether face ID can be fooled by a picture or not? But, there are certainly some security concerns with Google's facial recognition software. In fact, while setting up Face ID, Google brings forth its "Keep in mind" disclaimer. It suggests that your phone can be unlocked by identical twins and even if your eyes are closed.


There is no point in arguing that seeing face unlock not working in pixel 4 can be frustrating at times. After all, one of the biggest USP of the mobile was a faster face unlock. And that is exactly what's broken the majority of the times. In fact, no one bothers about all the added features, if they can't use them in the first place. This is where our PassFab Android Unlocker comes into play. All you need to do is download the software; you can unlock your device without breaking a sweat. So, what are you waiting for? Get PassFab today and enjoy a hassle-free tomorrow.