vivo 1904vivo 1904 : Wireless communication technologies Bluetooth, Wi-Fi : Connectivity technologies GSM, 4G, 3G, 2G, WCDMA, (B158), (B2358), FDD_LTE, (B1358), TDD_LTE(B384041)vivo Y90 Android smartphone. Announced Jul 2019. Features 6.22″ display, MT6761 Helio A22 chipset, 4030 mAh battery, 32 GB storage, 2 GB RAM.