OxygenOS 4.7 on a OnePlus 5T smartphone.
|Initial release||March 2015|
|Written in||C++, Java|
|Operating system||Android (5.0.1 to Android 8.0)|
|Available in||English (default)|
|Type||Graphical user interface|
|License||Mixed (some open source, some closed source)|
OxygenOS (Chinese: 氧OS; pinyin: yǎng OS) is a customized version of the Android mobile operating system developed by Chinese smartphone manufacturer OnePlus exclusively for their smartphones. OxygenOS was developed for their overseas market. There is also another version of the OS designed specifically for the Chinese home market called HydrogenOS (Chinese: 氢OS; pinyin: qīng OS).
In an interview published 3 September 2016, XDA Developers revealed OnePlus was "actively merging both platforms (OxygenOS and HydrogenOS) into a single cohesive operating system".
Notable features of version 2.0 and 2.1.1 include app permissions, Waves MaxxAudio, SwiftKey keyboard, off-screen gestures, custom icons, dark mode, manual camera mode, and RAW support for 3rd party apps, like Camera FV-5 2.75.
On 10 October 2017, a security researcher discovered that an OxygenOS system service named "DeviceManagerService" collects sensitive data and sends it back to OnePlus servers. The service collects many data points, including the device serial number, phone number, IMEI, network connections, and timestamped records of user activity within every app. Users can uninstall the system service via ADB. Later, OnePlus released a statement about data collection and analytics, claiming that the data are only used for system improvement and optimization, are not shared with third parties, and can be disabled by users in the system settings. OnePlus also says that they are revising the data analysis mechanism, and will no longer collect certain data.
|OxygenOS Version||Android Version||Release Date||Supported OnePlus Devices||Notes|
|1.0 - 1.0.3||5.0.1 Lollipop||1.0.3:
|Yes||Only available as flashable ZIP on OnePlus website.
1.0.2 - 1.0.3 changelog:
|2.0 - 2.1.4||5.1.1 Lollipop||Yes||Yes||Yes|
|2.1.5 - 2.2.1||Yes||Yes|
|2.2.2 - 2.2.3||4 August - 28 September 2016||Yes||September Android Security Bulletin and necessary dependencies for Marshmallow upgrade.|
|3.0.2||6.0.1 Marshmallow||4 June 2016||Yes|
|3.1.4||10 November 2016||Yes|
|3.2.8||Yes||1080p 60fps videos|
|3.5.3||28 November 2016||Yes||Preinstalled firmware on OnePlus 3T devices sold outside China.|
|3.5.4||19 December 2016||Yes|
|3.5.5||24 December 2016||Yes|
|3.5.6||5 January 2017||Yes|
|3.5.8||12 April 2017||Yes||March 1, 2017 Android Security Patches.|
|3.5.9||5 July 2017||Yes||VoLTE Fixes.|
|3.6.0||10 July 2017||Yes||June 1, 2017 Android Security Patches, Turkey time zone updated. VoLTE fixes in India|
|3.6.1||10 October 2017||Yes||System
|4.0.0||7.0 Nougat||31 December 2016||Yes||Yes||Android 7.0 Nougat Upgrade|
|4.0.1||7 January 2017||Yes||Yes|
|4.0.2||14 January 2017||Yes||Yes|
|4.0.3||8 February 2017||Yes||Yes|
|4.1.0||7.1.1 Nougat||16 March 2017||Yes||Yes||Android 7.1.1 Nougat Upgrade|
|4.1.1||28 March 2017||Yes||Yes|
|4.1.3||17 April 2017||Yes||Yes|
|4.1.5||7 June 2017||Yes||Yes||May 1, 2017 Android Security Patches.|
|4.1.6||12 June 2017||Yes||Yes||Fixes from 4.1.5|
|4.1.7||23 August 2017||Yes||Yes||August 1, 2017 Android Security Patches, touch latency improvements|
20 June 2017
25 September 2017
|Yes||Yes||Yes||Preinstalled firmware on OnePlus 5 devices.
OnePlus 3/3T changelog:
Camera / Gallery:
|4.5.1||OP 5: 22 June 2017
OP 3/3T: 18 October 2017
|4.5.2||25 June 2017||Yes|
|4.5.3||27 June 2017||Yes||Bug Fixes:
|4.5.4||28 June 2017||Yes|
|4.5.5||5 July 2017||Yes||Optimizations:
|4.5.6||20 July 2017||Yes||Fix for crash when calling emergency services.|
|4.5.7||1 August 2017||Yes||Withdrawn, replaced by 4.5.8.|
|4.5.8||5 August 2017||Yes||New additions:
|4.5.10||29 August 2017||Yes||Camera:
|4.5.11||3 October 2017||Yes||System:
|4.5.12||7 October 2017||Yes||System:
|4.5.13||16 October 2017||Yes||System:
|4.5.14||2 November 2017||Yes||System:
|4.7.0||21 November 2017||Yes||Pre-installed firmware on OnePlus 5T devices.|
|4.7.1||21 November 2017||Yes|
|4.7.2||22 November 2017||Yes||
|4.7.4||07 December 2017||Yes||Camera:
|4.7.5||December 2017||Yes||General bug fixes|
|4.7.6||27 December 2017||Yes||Camera:
|5.0||8.0 Oreo||19 November 2017||Yes||Yes||Yes||System:
|5.0.1||04 January 2018||Yes||Yes||Yes||Camera & Gallery:
|5.0.2||02 February 2018||Yes||Camera:
|5.0.3||06 February 2018||Yes||Apps:
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