OxygenOS
| OxygenOS | |
|---|---|
 | |
| Developer | OnePlus |
| OS family | Android |
| Working state | Current |
| Source model | Proprietary |
| Initial release | 27 March 2015 |
| Latest release | OxygenOS 16 / November 1, 2025 |
| Latest preview | Oxygen 16 Open Beta / October 6, 2025 |
| Available in | 40 languages |
List of languages English, Malay, Catalan, Czech, Danish, German, Spanish, Filipino, French, Croatian, Italian, Hungarian, Dutch, Norwegian, Polish, Portuguese, Romanian, Slovak, Slovenian, Finnish, Swedish, Vietnamese, Turkish, Russian, Ukrainian, Hebrew, Urdu, Arabic, Marathi, Hindi, Bengali, Gujarati, Tamil, Telugu, Kannada, Thai, Japanese, Korean, Greek, Chinese | |
| License | Mixed (some Copyleft, some lax, some Proprietary licence) |
| Official website | OxygenOS |
OxygenOS (Chinese: 氧OS; pinyin: yǎng OS) 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 (Chinese: 氢OS; pinyin: qīng OS).