Does not work for Metro PCS. Samsung Galaxy On5 smartphone opens you as much as a universe of potential, right at your fingertips. Its front and rear cameras be sure to never miss a moment. The rear camera has a 5MP camera resolution and 720p video recording, and the front camera will give you 2MP of lovely clarity. The Samsung Galaxy On5 cell phone uses Android software and runs at the Android M operating system. It has a five-inch HD TFT touchscreen display. All of this backed by the strength of T-Mobile and the fastest nationwide 4G LTE network. With 8GB of internal memory and a microSD card slot that is expandable as much as 128GB, it is the easiest smartphone to store all of your world in music, photos, games and more.