vivo has announced its roadmap for the rollout of its latest Funtouch OS 9. The latest version of the UI is based on Android Pie and went official last month alongside the vivo 27. It will be rolled out to a total of 13 smartphones by July this year, albeit in the form of a beta update. This update is currently tested on five models which include X21i, Z1, Z1i, X23, and X23 Symphony Edition. The second batch includes X21, X21 UD, X21s, NEX A, NEX S, NEX Dual Display, and Z3i which will get the beta in June. And in July, vivo will release the update for the Z3. Do note that this...
Source: https://www.gsmarena.com/vivo_reveals_its_funtouch_os_9_update_roadmap-news-36652.php