This model is no longer available or might have limited distribution.
The Microsoft Lumia 640 is a smartphone that was tested with the 8.10.15127.138 operating system. This model weighs 5.1 ounces, has a 5 inch touch screen display, 8-megapixel main camera, and 0.9-megapixel selfie camera. It comes with 1GB of RAM. It was tested with 8GB of storage and has a memory card slot for expanded storage.