This replacement for the Lumia 635 has numerous upgrades, including a larger 5-inch HD display, larger battery, 8-megapixel camera, front camera, and NFC. Other features of this affordable Windows ...

This big brother to the 640 sports a larger 5.7-inch display, larger battery, and 13-megapixel camera. Other features are similar, including front camera and NFC. Other features of this affordable ...