The Microsoft Lumia 640, which was announced back at the MWC 2015 in Barcelona, is available in several key markets across the globe, but the software giant is not officially selling the handset in the United States. Fortunately e-retailer Expansys is selling an unlocked dual-SIM version (RM-1113) of the device with LTE connectivity in US for $220.
The Lumia 640 features a 5 inch 720p HD display, 8GB store with microSD, an 8MP rear camera, a 1MP front camera, a 2500mAh battery and a 1.2GHz quad-core Snapdragon 400 processor with 1GB of RAM.
The Lumia 640 handset run latest Windows Phone 8.1 Update 2 out of the box and is upgradeable to Windows 10 when it launches later this year. The handset is available in black, cyan and orange color options for the e-retailer. As for the price, the black color variant is priced at $220, while the orange and cyan models are listed at a slightly higher price of $245.
If you are interested in purchasing the device, you can do so by following the source link below.
source - Expansys | WindowsCentral