Oppo F21 Pro has started receiving a new OTA software update that brings Android 13-based ColorOS 13 to the handset. The beta version of this update was introduced to the Oppo F21 Pro earlier this year in September and now the stable version of the same is available. The update is currently available for users in India as well as Indonesia. ColorOS 13 comes with a redesigned colour palette, new font, and gets a Dynamic Computing Engine that is said to improve battery life.