The Lumia 730 is the follow up to the popular Lumia 720, which featured an impressive F/1.9 aperture camera for exceptional low-light performance. The Lumia 730, however, builds off of the Lumia 720's weaknesses by adding in 1 GB of RAM, a faster 1.2 GHz Quad-core processor and a 4.7-inch 1280 x 720 HD display. Lumia 730/735 full specifications Windows Phone 8.1 Update with Lumia Denim 3G & DSDS RoW variant: GSM 850 MHz, 900 MHz, 1800 MHz, 1900 MHz; WCDMA 850 MHz, 900 MHz, 1900 MHz, 2100 MHz; Speed GSM: EGPRS/296kbps/236.8kbps; HSPA+: 21.1Mbps/5.76Mbps Memory: 1GB RAM, 8 GB internal user memory; 15 GB OneDrive cloud storage , micro SD expandable up to 128 GB Display: 4.7" HD OLED (1280 x 720, 16:9), 316 PPI, Curved glass (2.25D), ClearBlack, SuperSensitive Touch, High Brightness Mode, Sunlight readability enhancements Processor: Qualcomm Snapdragon 400 (MSM8926) 1.2 GHz quad-core processor Primary camera: 6.7 MP FF ZEISS, f/1.9, Full HD video (1920 x 1080 @ 30