I have chosen one of the best of the oopo a37 that phone ram has been 2 gb and rom are 16 gb ram is very high so its amazing work this phone and version also nice and this phone is very silm and smooth touch and full hd display and camera 8 megafixal auto focus and nice picture quality and bettrey capacity is good and nice work phone and 4g volt phone and it is the one of the best of the smartoon.It include all feature that you need.The camera quality is excelenat this phone is selfi phone