Now a days one plus one is very popular in all tasks.It do almost all jobs which computer do.It has large 3gb ram .Due to this it do multiple tasking and for game lovers, it run all game like butter.i also have one plus one .I really satisfied with this Product .Now my phone is running smooth and work perfectly .i buy this phont at12 november .It has 64 gb internal .Now one plus one come with mashmellow so it is latest phone and good phone . And iam a game lover so I play all high graphic game on this phone it was running smoothly and but no lagging.so in last I prefer to buy this phone and le lo yr achaa phone ha.