The Lumia 640 runs Windows Phone 8.1 with the Lumia Denim update installed. In other words, it has the most up-to-date version of the operating system available. (Microsoft has said the 640 can be ...

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 ...

Body Dimensions 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) ...

Body Dimensions 129 x 70.6 x 8.5 mm, 78 cc (5.08 x 2.78 x 0.33 in) 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) ...