Vivo India no. 1 brand of mobiles they nice cell vivo y55l system is very fast fastest ram ever they best entry level Burt phone but 2gb very fast ram and he quietly bet I love this mobile He can selfie good and back came is very nice and system vet fast and vivo mobiles h get duel lock and 5.5lcd display and 13 megapixel and front camera 8megapixel and same iPhone system means fully iPhone system I like the system and he also support LTE 4g of duel sim and they music system very cool and mobile sound good