ZTE Concord II SmartPhone (T-Mobile) - Blue Will Work With Your T-Mobile Service Just Put Your SIM Card In &amp; Go! 4" color TFT touch screen With WVGA (480 x 800) resolution presents visual content in crisp, striking clarity and simplifies navigation of features. The Gorilla Glass 2.0 construction ensures durability. 4G speed Provides fast Internet connection, so you can rapidly download apps, stream online content and stay connected with social media. Qualcomm Processor 1.2GHz Qualcomm dual-core processor ensures reliable performance. Android 4.3 Jelly Bean operating system Allows you to stay connected and productive on the go.