The Samsung Galaxy S9 SM-G960U is a black smartphone with a 5.8-inch screen and an octa-core Qualcomm Snapdragon 845 chipset. It has 4GB of RAM and 64GB of storage capacity, expandable with a microSD card. The phone is network unlocked and has a single  sim card slot . It will need a T-Mobile sim card It features Bluetooth, 4G, and Wi-Fi connectivity, and runs on the Android operating system. The phone has a 12.0 MP camera and  works with only the T-Mobile network . The phone has been tested and is fully charge .