OnePlus development team only presented OxygenOS, rather than the entire firmware. Moreover, there is still not known even the release date of the new firmware. According to the Software-boom, OxygenOS is being tested now. It is expected that this firmware will be as simple as possible, without viruses, with only the most necessary software productivity and efficiency. The site OnePlus there is only one official screenshot of the firmware, and that section of the smartphone. From this screenshot, you can find a version of OS Android (v5.0.2.), Which is based OxygenOS. However, the Chinese