vivo has been anything but fast to release Android 9 Pie updates for its devices. The company has unveiled its new Funtouch 9 skin last month based on that OS release, and last week we got a timeline saying it would roll out to a total of 13 smartphones by July, in beta form. So clearly vivo is in no rush here. On the flip side, the NEX A has just started receiving a Funtouch 9 build based on Android 9 Pie today in China. It's unclear whether this is a beta release, but we're willing to assume it is, because there has so far been no official mention of finalized non-beta software based...
Source: https://www.gsmarena.com/vivo_nex_a_gets_android_9_pie_update-news-36698.php