Nokia has introduced new smartphones running on Windows Phone 7 operating system on Nokia World 2011 event. Devices will be named Lumia and Asha. There are 4 models of Asha smartphones with mark 200, 201, 301 and 303, and Lumia  touch screen smartphones with models 710 and 800. All 7 models of Nokia cell phones will have built in NFC – near field communication technology. Nokia Lumia 800 is phone made of carbon and it will have Clear Black AMOLED 3.7 inch touch screen. Also, it will be powered by new Qualcomm 1.4 GHz processor and will have 16 GB of built in storage. Also, it will have Carl Zeiss 8 megapixels camera with HD video recording and availability of 3G wireless connection. Nokia Lumia 710 is budget phone and it is much cheaper than Lumia  800, but also simpler. It will have the same processor, but weaker battery and lass quality camera with 5 megapixels and auto focus. Both Nokia Lumia smartphones comes with free Nokia Drive navigation and Nokia Music application. Asha models are quite weaker than Lumia models. All Asha Models comes with symbian operating system and of course, with Nokia Maps. Asha 200 supports dual-sim, Asha 201 comes without dual-sim support, but both phones will have great battery and average performances. Asha 300 will be powered by 1 GHz processor, 3G support and 5 megapixels camera. Asha 303 will have same performance as model 301, but bigger screen. Both models 301 and 303 comes with qwerty keyboard. Price of Nokia lumia  800 will be about $550 and price for Lumia 710 will probably be around $350. Price of Asha models will probably be from $150 to $250.