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Whenever a new version of the Android-based phone operating system Cyanogen OS is released, it's distributed as an Over The Air (OTA) update delivered directly to the phone via download.The system update app on Cyanogen OS-equipped phones periodically checks for updates and applies them when they are released. This web page gives Cyanogen OS users access to the same data used by their phone for the update process. All Cyanogen OS-equipped phones , such as the OnePlus One and YU models , are supported.