While some users might find unofficial beta programs or custom firmware, the latest stable system update provided by Vivo for the V5 is , which was released in August 2020. How to Check or Install Updates
Use this only if OTA isn’t available and you understand risks. vivo v5 android version 70 update portable
If you still want to experiment, join vivo V5 developer groups on Telegram or XDA-Developers. But remember: no amount of “portable” magic can create an official update where none exists. While some users might find unofficial beta programs
In late 2017, vivo officially released the Android Nougat update for the V5 series. This update brought improved battery performance, a refreshed Funtouch OS UI, and enhanced security. a refreshed Funtouch OS UI