Upgrading to Android 7.0 brings several system-level improvements to the Vivo V5:
Limit background data usage for specific apps. vivo v5 android version 7.0 update
Currently, the most stable firmware versions available for the Vivo V5 (model PD1612F) on official support pages are based on Funtouch OS 3.0/3.1. Key Features of the Android 7.0 (Nougat) Update Upgrading to Android 7
Before trying manual methods, check if a wireless update is available for your specific unit: Vivo V5 - The Indian Express vivo v5 android version 7.0 update
There are two primary methods to check for and install the update. Method 1: Check for OTA Updates (Automatic)