Sony Xperia Z1s LTE Smartphone - Unlocked - Black TFT capacitive touchscreen, 16M colors, P58 certified - dust proof and water resistant over 1 meter and 30 minutes, Android OS, v4.3 (Jelly Bean), planned upgrade to v5.0 (Lollipop) Qualcomm MSM8974 Snapdragon 800, Quad-core 2.2 GHz Krait 400 32 GB internal memory, 2 GB RAM, micros, up to 64 GB 20.7 MP camera with 2 MP front camera