The Sony Xperia ZL (C6503) is an unlocked GSM smartphone with a 13 MP camera, 4.1.2 Jelly Bean OS (planned upgrade to 4.2), and a quad-core processor. It features a 5-inch TFT capacitive touchscreen, 16 GB internal storage, and supports 4G LTE and various connectivity options including Wi-Fi and NFC. Battery life includes up to 10 hours of talk time and 40 hours of music playback.