Oppo F11 Pro is receiving Android 11 update in India, the company confirmed via a tweet reply. There has been no official confirmation from Oppo regarding the changelog or the firmware version of the update. However, it is reported to be 2.81GB in size.

source https://gadgets.ndtv.com/mobiles/news/oppo-f11-pro-android-11-update-size-changelog-coloros-india-tweet-2425100#rss-gadgets-all