I am using j7 prime 2016 edition. its a awsome phone, its look is awsome. j7 prime built look more solid and easier to hold due to its rounded sides. The 5.5-inch phone is relatively thick with 8mm in size and weighs 167 grams and features the 3.5mm headphone jack and mini-USB port located at the bottom.j7 prime has 13 mega pixel rear camera with autofocus LED flash and front camera has 8 mega pixel.it comes with fingerprint sensor.Samsung Galaxy J7 Prime is powered by 1.6GHz octa-core Exynos 7870 processor and it comes with 3GB of RAM.it can be easily operated. internal 16 GB it is quite less but I can be expand upto 256 GB.