Lenovo vibe k4 note has very greate feachers with 4g avaibility . It has 3gb ram and 16gb internal memory , whats the amazing. I think it is the best smartphone . Its screen also big and high definition . The most atttacitive feature of it is the ’DOLBY’. The two sounds on the front of mobile has the feature of dolby. Its sound and camera quality it awsome.