Earlier this week, Oppo announced it will roll out the Android 11-based ColorOS 11 stable update for the Reno2 Z from April 14. But the company has started seeding ColorOS 11 stable build for the Reno2 Z ahead of schedule while also rolling it out for the A91. The ColorOS 11 stable update for the A91 is seeding in Indonesia and for the Reno2 Z in India. It's rolling out in batches, and if you can't wait for the update prompt to pop up on your smartphone, you can check for it manually by heading to its Settings > Software Updates menu and tap on the gear icon in the upper-right corner, then...
Source: https://www.gsmarena.com/oppo_a91_reno2_z_reno3_a_android_11_coloros_11_stable_update-news-48600.php
