I have purchased this smartphone Samsung galaxy j7 was launched in June 2015 with a resolution of 720 pixels by 1280 pixels. This smartphone is comfortable for me and it has many smart and good features but there is a little problem is hanging whatever I like this smartphone. This smartphone boasts of a 5.5-inch display. The Samsung galaxy j7 features 16 GB of internal storage that can be expanded up to 128GB through the microSD card. This smartphone comes with 1.5GB RAM. This Samsung galaxy j7 runs Android 5.1 and is powered by a 3000mAH removable battery. So, this is some basic information about this Samsung galaxy j7 smartphone. I like all the smartphones of Samsung.