Allview V4 Viper official Pictures. Allview V4 Viper is a Smartphone of allview. The Allview V4 Viper Android Smartphone. Announced Sep 2019. Features 5.7″ Display MT6761 Helio A22 Chipset 2700 MAh Battery 16 GB Storage 2 GB RAM. Allview V4 Viper price starts.