The features of Samsung Galaxy S4 are very good. The internal memory of Samsung Galaxy S4 is 32 GB and the RAM of this mobile is 2 GB which gives Samsung Galaxy S4 a high speed to operate. The camera of Samsung Galaxy S4 has 13 PM primary chamera with auto focus and LED flash and 2 MP Secondary chamera. The clearity of pictures of this mobile is very good. The memory of Samsung Galaxy S4 can be added by microSD card upto 64 GB. The look of Samsung Galaxy S4 is not so good. The operating system of this mobile is Lollipop. So Samsung Galaxy S4 is a good featured mobile with about 10 sensors.