The OnePlus 3 and OnePlus 3T handsets both received the OxygenOS 4.0 update when the year 2017 entered.
OxygenOS 4.0 January 6, 2017
The company has started incrementally rolling out the update, which also officially updates the underlying Android operating system into its latest version, Android 7.0 Nougat.
OxygenOS 4.0 January 2, 2017
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