: A beta version of ColorOS 3.1 based on Android 7.1.1 (specifically version CPH1609EX_11_D.01 ) was made available for certain markets, but it may contain security loopholes and typically prevents downgrading back to Android 6. How to Check for Official Updates
If the update doesn't appear on your phone, download the on your PC from the OPPO Global Website . Connect your phone to your PC via USB. oppo f3 android 7 update download
Includes Google's enhanced Assistant and a night mode feature that reduces eye strain by emitting amber light. : A beta version of ColorOS 3