Buy Vivo Android Smartphone Y31 5G (4GB RAM, 128GB Storage/ROM) V2521 Rose Red featuring snapdragon processor, android 15 operating system, 50+0.08mp camera back, 8mp camera front, 4gb ram, 128gb internal memory, 5g network, 2.4ghz processor cps, 6500mah battery, c - type charger type, finger print, android operating system type, 6.68 screen size in inc, ips lcd screen type, front glass- plastic back body type, flash back, nano + nano sim type, red color.