Hi friends, this is really awesome phone, sound is improve latest theatermax technology. primary camera 13mp with a dual tone led flash while the front camera is a 5mp there is also 3gb ram, 16 gb of internal storage expandable by up to 128gb, wifi compativity and 4g connectivity on both sim slot. 3300mah bettery ran for 8 hours, in our video loop test, which is barely above average. desing nice and service is great the lenovo k4 note is best for mony