Lumia 820 will be Nokia's mid-range device
I just mentioned that Nokia has officially unveiled the Lumia 920 as its flagship Windows Phone 8 smartphone. The midrange offering is the Lumia 820 also running Windows Phone 8. The 820 has a 4.3-inch screen with a resolution of 800 x 480. The screen has special enhancements for better readability in direct sunlight.
The battery is a 1650 mAh unit and has integrated wireless charging with Qi support. The rear camera is an eight-megapixel unit with Carl Zeiss optics and dual LED flash. The rear camera can also record full HD video. The front camera is VGA resolution and the phone has 1 GB of RAM with 8 GB of internal storage. It also has a microSD card slot for memory expansion.