ColorOS

ColorOS is a user interface created by Oppo based on Android. Initially, Realme phones used ColorOS until it was replaced by Realme UI in 2020. Realme UI uses some of ColorOS's apps. Starting from the OnePlus 9 series, OnePlus will preinstall ColorOS on all smartphones that are sold in mainland China instead of HydrogenOS (Chinese version of OxygenOS).

In September 2026, Oppo announced that ColorOS has 770 million active users worldwide, spanning more than 90 countries and regions.

History The first version of ColorOS was launched in September 2013. Oppo had released plenty of Android smartphones before then. It was not stock Android, but Oppo did not label it as ColorOS. Over the years, Oppo launched new official versions of the operating system. Major version 4 was skipped due to the superstitious nature of the number. To make things less confusing, in 2020 the company revealed that it would adopt the same numbering scheme as mainline Android, and as such, ColorOS jumped from ColorOS 7 to ColorOS 11 with the launch of Android 11.

It was announced that ColorOS, OnePlus' Oxygen OS, and Realme's Realme UI will merge to form a single Android skin that will appear on all OnePlus, Oppo and Realme phones. However these plans were cancelled as the three UI's are being developed on the same codebase, but they are separate.

Version history

+ Overview of ColorOS versions Version Initial release date Latest version Latest release date Android version(s) ColorOS 1 Android 4.1 – 4.3 ColorOS 2 Android 4.4 – 5.1 ColorOS 3 Android 5.1 – 7.1.1 ColorOS 5 Android 7.1.1 - 8.1 ColorOS 6 Android 9 Android 10 ColorOS 7 ColorOS 11 Android 11 ColorOS 12 Android 11 – 12 ColorOS 13 Android 13 ColorOS 14 Android 14 ColorOS 15 Android 15 ColorOS 16 Android 16

ColorOS

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