Best phone in the smart phone segment. It’s really looks like flagship with premium metal body. Inbuilt with all the customisation and privacy app. If you started using it you won’t like any other mobile I swear you won’t.phone was superb and have very good quality. everybody can buy vivo smartphone with trust. vivo v1 is using more people. compare to samsung, lenovo, gionee, etc phones vivo is goodVivo v1 exalent futures, good quality very slim so many future’sThe phone runs on the Android operating system, which is currently the most popular platform on the market. Funtouch, by Vivo, runs on top of Android on this device, offering a customized experience.