Galaxy Grand Duos or Galaxy Grand I9082 has a 5 inch WVGA TFT screen which has a resolution of 480×800. It has an internal memory limtit of 8GB and an external memory of upto 64GB with the help of a microSD card.
It also has the other regular features like Bluetooth 4.0, 3G and WiFi. The Galaxy Grand runs on Jelly Bean, the newest version of Android.
Dimension: 143.7x77x9.6 mm
Display: 5-inch WVGA TFT LCD display (480×800 resolution)
OS: Android Jelly Bean OS, v4.1.2
Processor: 1.2GHz dual core processor1.2GHz dual core processor
Memory: 1GB of RAM, 8GB internal memory
Storage: MicroSD card slot (up to 64GB)
Camera: 8-megapixel rear camera, 2-megapixel HD front facing Camera