With the 5T, OnePlus introduced its own version of face unlock, aptly named 'Face Unlock." Thanks to its sheer speed, it quickly became a hit. Owners of older OnePlus devices begged for it to be added to their phones, and days later, it showed up on the OnePlus 5 with the latest Oxygen OS beta. The feature then made its way to the OnePlus 3 and 3T via the beta track, and then to the OnePlus 5's stable track. With Oxygen OS 5.0.3, the OnePlus 3/3T gets Face Unlock on the stable track, as well as some other tweaks.

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