Hii frinds I am rahul yogi lets tell u about vivo55l this is a very good and stylish phoneThe phone runs on the Android operating system, which is currently the most popular platform on the market. The Y55 comes with Android 6.0 Marshmallow which is the newest Android version available. Funtouch, by Vivo, runs on top of Android on this device, offering a customized experience.i personally used phone and its amzing phone and I suggest to every one to take this phone for u and your family and your friends I also want this phone 6model for my dear and valuable friend and my home member so friends pls u buy this phone without any querry.thanx