What is OxygenOS?
{{Infobox software | title = | name = OxygenOS | logo = [[File:OxygenOSLogo.svg|170px]] | logo_size = | logo_alt = | logo caption = | screenshot = | screenshot_size = 250px | screenshot_alt = | caption = OxygenOS 10 on a [[OnePlus 7 Pro]] smartphone. | collapsible = | author = | developer = [[OnePlus]] | released = {{start date and age|df=yes|2015|03}} | discontinued = | latest release version = '''[[OnePlus 8T]]: '''11.0.5.6<br /> '''[[OnePlus Nord]]: '''10.5.9<br /> '''[[OnePlus 8|OnePlus 8 Pro]]: '''11.0.2.2<br /> '''[[OnePlus 8]]: '''11.0.2.2 <br /> '''[[OnePlus 7T Pro]]: '''10.0.13<br /> '''[[OnePlus 7T]]: '''10.0.15 <br /> '''[[OnePlus 7 Pro]]: '''10.3.7<br /> '''[[OnePlus 7]]: '''10.3.7<br /> '''[[OnePlus 6T]]: '''10.3.7<br /> '''[[OnePlus 6]]: '''10.3.7<br /> '''[[OnePlus 5]] / [[OnePlus 5T|5T]]:''' 10.0.1<br /> {{Collapsible list|framestyle=border:none; padding:0; |title=Discontinued: |1='''[[OnePlus 3]] / [[OnePlus 3T|3T]]:''' 9.0.6 |2='''[[OnePlus 2]]:''' 3.6.1 |3='''[[OnePlus X]]:''' 3.1.4 |4='''[[OnePlus One]]:''' 2.1.4 }} | latest release date = | latest preview version = | latest preview date = | programming language = C++, Java{{citation needed|date=September 2019}} | operating system = Android ([[Android Lollipop|5.0.1]] to [[Android R|11.0]]) | platform = [[Android (operating system)|Android]] | size = | language = [[English language|English]] (default), [[Malay language|Malay]], [[Catalan language|Catalan]], [[Czech language|Czech]], [[Danish language|Danish]], [[German language|German]], [[Spanish language|Spanish]], [[Filipino language|Filipino]], [[French language|French]], [[Croatian language|Croatian]], [[Italian language|Italian]], [[Hungarian language|Hungarian]], [[Dutch language|Dutch]], [[Norwegian language|Norwegian]], [[Polish language|Polish]], [[Portuguese language|Portuguese]], [[Romanian language|Romanian]], [[Slovak language|Slovak]], [[Slovenian language|Slovenian]], [[Finnish language|Finnish]], [[Swedish language|Swedish]], [[Vietnamese language|Vietnamese]],