How to unlock the infrared camera hidden inside the Pixel 4

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The Pixel 4 uses an infrared camera for face unlock. And you can use it as a regular camera to take IR pictures and videos!

Andrew Steele's video - Invisible London:

Camera apps to try:

Open Camera:

Some people are reporting better luck with HedgeCam 2:


Tap the button that is normally for switching between front and back camera. Keep tapping until you get to the IR.


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