OnePlus released the OxygenOS (OOS) Open Beta 8 for OnePlus 3 which is based on Android 7.0 Nougat. Along with the OS upgrade this build brings up some Nougat features like Multi Window, redesigned settings and notification with quick reply and more. While custom ROM developers and phone manufacturers are concentrating on Android 7.1, they released a beta of Android 7.0. Maybe the final Nougat build will be on 7.1, but we do not know about that yet.
OnePlus announced and released their OnePlus 3 phone not long ago, which is not in production anymore nor available from their website. Now, the company announced a newer refreshed model OnePlus 3T which share the same design from the predecessor. This model of the phone boasts performance with a bit higher specs while giving you the best battery life. OnePlus is a brand known for producing high-spec phones for a cheaper price.
[Update: OnePlus 3 is now discontinued from the manufacturer OnePlus. Upgraded version is now called OnePlus 3T and O2 UK exclusively carrying it.]
O2 UK, the best network for coverage, uSwitch 2016 winner selling SIM-free (unlocked) OnePlus 3 smartphones. O2 is the only network selling them in the UK. The price just starts from £28 per month without any upfront cost. OnePlus 3 is a high-end phone at an affordable price range, competing with other 5.5″ (inch) display phones. Running on for Oxygen OS 3.2.4 which is based on Android 6.0.1 (Marshmallow).