Nokia Lumia 1020 (EOS) is a Single SIM smartphone. This phone runs on Microsoft Windows Phone 8, upgradeable to v8.1. This phone has come with the Non-removable Li-Ion 2000 mAh battery (BV-5XW),Up to 63 h battery. It has 32 GB, 2 GB RAM / 64 GB (Telefonica exclusive) internal storage. The device has a 4.5 inches AMOLED capacitive touchscreen, 16M colors with a resolution of 768 x 1280 pixels (~332 ppi pixel density). The phone is powered by a Qualcomm MSM8960 Snapdragon S4 Plus with 2 GB. It comes with a 41 MP (38 MP effective), f/2.2, 26mm, Carl Zeiss optics, OIS, auto/manual focus, Xenon & LED flash, primary camera.