Does not work for Metro PCS . Samsung Galaxy On5 smartphone opens you up to a universe of potential, right at your fingertips. Its front and rear cameras ensure you never miss a moment. The rear camera has a 5MP camera resolution and 720p video recording, and the front camera gives you 2MP of beautiful clarity. The Samsung Galaxy On5 mobile phone uses Android software and runs on 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’s expandable up to 128GB, it’s the perfect smartphone to store your whole world in music, photos, games and more.