Get ready to experience the ultimate smartphone technology with Microsoft Lumia 640. This 4G LTE Windows smartphone in classic black color is a brand new AT&T Go Phone with a single SIM card slot. It features a 5 inch screen size, Wi-Fi capability, and MicroSD memory card type. You can store all your important data as it has a RAM of 1GB and storage capacity of 8GB.

With a model number of RM-1064, this smartphone has a network lock status. The bar style phone has a range of features such as LTE connectivity, Windows Phone 8.1 operating system, and 1GB RAM. The Microsoft Lumia 640 is perfect for those who want a smartphone that is easy to use and has all the latest features.