Nokia Lumia 730 is dual sim windows Phone 8.1 Smartphone from Microsoft. Nokia lumia 730 is powered by 1.2 GHz Quad Core Processor and windows phone 8.1 operating system. Lumia 730 is designed focus on Selfie and best Skype video calls by 5 MP Auto focus Camera. Nokia Lumia 730 Dual sim has 4.7-inch OLED capacitive touchscreen with a resolution of 720x1280 pixels.The window is Fully personalized as u want and changes its background as well.