The Nokia Lumia 630 and 635 are essentially same except that the Lumia 630 comes with Smart Dual SIM option and Nokia Lumia 635 features LTE connectivity. Both of these smartphones are similar otherwise. We see dual SIM support on Lumia devices for the first time. This is also the first time Nokia has used virtual keys and not provided with a dedicated shutter button for the camera App. The ClearBlack display used is 4.5 inches in size and features FWVGA 854 X 480 pixels which is not much but will be usable on a 4.5 inch screen. The display will also be protected by Corning Gorilla Glass 3.
Both of these smartphones have a 1.2 GHz quad core (Cortex A7 based) Snapdragon 400 chipset with 512 MB RAM. Internal storage is 8 GB and can be further expanded by another 128 GB using MicroSD support. Nokia has also provided with a SensorCore which will monitor your health, keeping track of how many steps you have taken and how many calories you have burned. It is integrated with Bing Health and Fitness app. This is an interesting feature which will save you a smart band if properly implemented. Only 5 MP shooter is present at the back which can record 720p videos at 30 fps. With Windows Phone 8.1 on board, you can add the camera app to quick access menu in Action center. Battery capacity is 1830 mAh and connectivity features include 3G, WiFi, Bluetooth 4.0, GPS and GLONASS. Nokia Lumia 635 also features LTE connectivity. The dual SIM Lumia 630 will be priced at $169 (around 10K INR) and the Sigle SIM variant has been priced at $159 (Approx 9.5 K INR). Lumia 635 with LTE support has been priced at $189 (Approx 11,300 INR).