Vivo Y78 (China) official Pictures. Vivo Y78 (China) is a Smartphone of vivo. The Vivo Y78 (China) Android Smartphone. Announced May 2023. Features 6.64″ Display, Dimensity 7020 Chipset, 5000 MAh Battery, 256 GB Storage, 12 GB RAM. Vivo Y78 (China) price starts.