The Nokia Lumia 800 is first Windows Phone device from Nokia. It has a bar form factor with a 3.7inch AMOLED
capacitive touchscreen and weighs 142 grams. There are three touch capacitive buttons at the bottom. A 1.4Ghz Scorpion GPU with 512MB of RAM powers the Lumia 800 and runs on Microsoft's Windows Phone Mango 7.5 OS. It requires a Micro SIM card.