Previously associated with model number 1109, the unannounced Lumia 640 is making rounds online with its specs and price tag. The Lumia 640 packs 5 inch 720p display and will be powered by Qualcomm Snapdragon 400 with quad-core with 1GB of RAM, and 8GB of expandable storage. Camera-wise, it has 8.7MP rear camera with 0.9MP front-facing snapper. The former likely seems the same as that of Nokia Lumia 920. None of this has been officially confirmed.
Connectivity options of Lumia 640 include LTE and NFC. It packs Wireless charging. Microsoft Lumia 640 is expected to be priced at $275 on its launch. The mid-ranger might debut in the upcoming MWC in Barcelona.

Microsoft Lumia 640 specs and price unveiled