Hi friends you know that this is a mobile whose name is vivo y66.this is so good phone.friend I say real that I buy this before 3-4 months and at present I use but it run fast no any problems .Friend it is a 4g smart phone in which we can put two Sims and one memory card but it has32 internal space for memory so I cannot buy any memory. And at his place I put one sim.friend it is a very good phone it is buy every where. Please friend buy this phone .it cannot be heated anytime.if you playing game and very fast do everything. Bye friends