OnePlus is rolling out its latest OxygenOS update to the X, but there's still no indication of when it will bring Android 6.0 to its devices, after missing its Q1 upgrade target for the OnePlus 2.
Oxygenos 2.2.1 RSS
OnePlus has rolled out the latest OxygenOS update for its flagship phone, the 2, bringing a range of improvements and additions - but it's still based on Lollipop, rather than Android 6.0 Marshmallow.