Affordable 4G smartphone
Display and Build
The Microsoft Lumia 638 features a 4.5-inch IPS LCD ClearBlack multi touch display which offers nice off axis viewing angles and a resolution of 480 x 854 pixels (FWVGA) generating a pixel density of 218ppi. Thanks to the Corning Gorilla Glass 3 protection that the screen resists scratches and fingerprints easily.
It is packed in a 9.2mm thick polycarbonate shell which has a weight of just 134g. The phone has been spotted with soft controls on the screen rather than the capacitive keys on the body.
Processor and OS
At the heart of the Microsoft Lumia 638, you can find a quad-core processor clocked at 1.2GHz and based on Qualcomm Snapdragon 400 chipset. Assisting it in executing multitasking is a 1GB RAM. It sails on the latest Windows Phone 8.1 OS which is easy to use.
Camera and Storage
The Microsoft Lumia 638 arrives with a 5MP camera supporting LED flash and digital zoom at the back. The lack of front camera is a big disappointment, especially when it is one of the distinctive features of a smartphone. It sports an on board storage unit of 8GB which is further expandable up to 128GB via microSD slot.
Battery and Connectivity
The Microsoft Lumia 638 is packed with an 1,830mAh Li-ion battery for running the show. The Sensor Core feature prevents the battery from getting drained unnecessarily.
One of the phone's key highlights is the support for 4G LTE (with support to Indian bands). Other networking and connectivity features come in the form of Bluetooth v4.0 with BLE, GPS, 3G, Wi-Fi and USB port.
The Microsoft Lumia 638 is an attractive budget friendly smartphone with the latest Windows OS and support for 4G LTE Cat4. It features a powerful Qualcomm Snapdragon processor but the lack of front camera is a big disappointment. It can be availed in black, yellow, orange and white colours.