Update Details
Oppo A9 2020 is receiving the Android 10 based colorOS 7.1 with build number CPH1937EX_11_C.65 while the Oppo A5 2020’s update is carrying the build number CPH1933EX_11_C.65. The Reno2 F users should be getting the update with build number CPH1989EX_11_C.10 based on ColorOS 7. You can manually check for the update from your device’ setting. If the update is not yet available on your device, just wait for few days. This is an important security update and currently being rolled out via OTA (over-the-air) in a phased manner. This can take up to a few days for the update to be available all across the globe.
Manual update guide
Via