OnePlus, on its forum declared that Oneplus One will get the latest Marshmallow upgrade in the first quarter of 2016. This smartphone will get the update in form of updated Cyanogen OS and a pre-release build of OnePlus’s own Oxygen OS is there but it is not ready yet. Some months back there was a wide speculation over the future of OnePlus One getting latest updates in India but that issue was resolved and has been put to rest for good. Likewise OnePlus Two will get the Marshmallow upgrade in the form of updated Oxygen OS which will release in first quarter of 2016 too. Coming to recently launched OnePlus X, the Marshmallow upgrade is confirmed on the official forum but there is no time frame as to when this device will be update to Android 6.0. OnePlus said that they will be rolling out updates for Oxygen OS in the meantime.
