As i was in hurry to get Update my anDroid one which is launch by google with many companies But as always since its launch google just making a loud noise but does not update it yet with "lolipop 5.1" and these are running with kitkat 4.4.4 which is not required as it becomes a old os as per promise "google"had lost its belevie So people if u want to get a device dont purchase android one