OnePlus

OnePlus Technology (Shenzhen) Co., Ltd. (), doing business as OnePlus, is a Chinese consumer electronics manufacturer headquartered in Shenzhen, Guangdong, China.

OxygenOS () is an Android-based operating system (OS) developed by Chinese smartphone manufacturer OnePlus exclusively for their smartphones. OxygenOS was developed for their overseas market. There used to also be another version of the OS designed specifically for the Chinese market called HydrogenOS ().