One of the new features of OxygenOS Open Beta 30/21 for OnePlus3/3T is Face Unlock function, which was first appeared in OnePlus 5T. Also, the update includes OnePlus’ new backup and restore app ‘Switch’, which makes switching to your new OnePlus phone much easier. The update will also bring VoLTE support for Airtel (India).

Revamped Launcher (v2.3) is another important change of this update. You will see new app drawer, auto-naming folders, and some dynamic icon functions for home screen. Below is the full changelog of this update. OxygenOS Open Beta 30/21 Changelog: OnePlus 3 and 3T owners who are on Open Beta channel will receive the OxygenOS Open Beta 30 and 21 OTA update in the coming days. New users can download and install the update manually. – Support for Airtel VoLTE in India – Face Unlock function added – Added OnePlus Switch application for backup & restore – General bug fixes and optimizations

How to Download and Install OxygenOS Open Beta Manually

  1. Download OxygenOS Open Beta 30 for OnePlus 3 [here] and OxygenOS Open Beta 21 for OnePlus 3T [here]
  2. After downloading the full firmware, follow this installation instruction. [Source – OnePlus]