Built-in-answering Machine included in Sony D6503 Android 4.4.2 KitKat Xperia UI Published January 20, 2014 at 315 × 560 in Sony Sirius aka Sony D6503 Android 4.4.2 KitKat Xperia UI Leaked – 4K Video Recording, Built-in-Answering Machine, Touch to Wake up Settings