Display

The Alcatel One Touch 639 features a 2 inch display which is quite common for a smartphone
The density of pixels per square inch of screen decides the display sharpness of a device. With a resolution of 141 PPI, the device is 24% sharper than typical phones released .

Battery Life

It is said that the Alcatel One Touch 639 can last up to 5 hours of talk time just slightly lower than the common 12 hours found in other devices. Talking about the power life of the device, which is mostly decided by battery capacity, it packs 850 mAh

Dimensions and Design

The dimension is 109 in height, 59 width, and 13.8 mm of thickness.
The phone's body has a depth of 13.8 mm, 100% thicker than a typical device in screen category.
91.9 grams of weight for this screen size is considered quite heavy.

Camera

The Alcatel One Touch 639 packs a 2 megapixel camera on the back.