OnePlus Blog – November 21, 2017
Louis, our product manager, recently wrote a post about how the18:9 display, back fingerprint sensor and Face Unlock work together, but we also wanted to share a deeper dive into Face Unlock, which unlocks the phone in 0.4 seconds.Even though sales for the OnePlus 5T have just opened, we have already received a lot of questions about the technology. Therefore, we would like to offer a behind-the-scenes look into why we introduced Face Unlock and the technology behind it.
Source: Face Unlock: A Deep Dive