Nokia Lumia 638

About Nokia Lumia 638

The Nokia Lumia 638 is an entry level dual SIM smartphone that runs on Windows Phone 8.1 operating system. Nokia Lumia 638 has 4.5 inches ClearBlack IPS LCD capacitive touchscreen with WVGA (480 x 854 pixels) resolution that gives an effective pixel density of about 218 PPI. Nokia Lumia 638 comes with Gorilla Glass 3 protection. It has 5 MP primary rear facing camera without LED flash. The device lacks a front camera. Nokia Lumia 638 looks quite similar to the other Lumias. It can record videos at 720p at 30 frames per second. Nokia Lumia 638 runs on 1.2 GHz quad-core Qualcomm Snapdragon 400 chipset. It has a 1 GB RAM and 8 GB of internal storage, which can be expandable up to 128 GB using the microSD card slot present in the device. Nokia Lumia 638 runs on WP 8.1. You can download a lot of apps or games from Windows Phone Store. Nokia Lumia 638 supports GPRS, EDGE, 3G, 4G, Wi-Fi 802.11 b/g/n, Bluetooth v4.0 and Micro USB v2.0. The phone encases a 1830 mAh Li-Ion battery. Nokia Lumia 638 weighs about 134 grams and is 9.20 mm thin.

GENERAL

2G Network GSM 850 / 900 / 1800 / 1900

3G Network HSDPA 850 / 900 / 1900 / 2100

4G Network LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)

Released 2014

Status Available

BODY

SIM Micro-SIM

Dimensions 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)

Weight 136 g (4.80 oz)

MEMORY

Card slot microSD, up to 128 GB

Internal 8 GB, 1 GB RAM

BATTERY

Li-Ion 1830 mAh battery (BL-5H)

Stand-by

DISPLAY SIZE & COLORS

Size 4.5 inches (~64.6% screen-to-body ratio)

Type IPS LCD capacitive touchscreen, 16M colors

Multitouch Yes

Resolution 480 x 854 pixels (~218 ppi pixel density)

Protection Corning Gorilla Glass 3

ClearBlack display

CAMERA

Primary 5 MP, 2592 х 1944 pixels, autofocus

Secondary No

Video Yes

Camera Features 1/4” sensor size, geo-tagging, panorama

SOUND

Ringtones Vibration; MP3, WAV ringtones

Loudspeaker Yes

3.5mm jack Yes

CONNECTIVITY

Bluetooth v4.0, A2DP, LE/ apt-X after WP8 Denim update

USB microUSB v2.0

Radio FM radio

WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot

Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

EDGE Yes

GPRS Yes

FEATURES

OS Microsoft Windows Phone 8.1

Chipset Qualcomm Snapdragon 400

CPU Quad-core 1.2 GHz Cortex-A7

GPU Adreno 305

Colors Black

Sensors Accelerometer

Messaging SMS (threaded view), MMS, Email, Push Email, IM

Browser HTML5

GPS Adreno 305

Java No

Video/photo editor

OneDrive (15 GB cloud storage

Active noise cancellation with dedicated mic

Document viewer

MP3/WAV/eAAC+/WMA player

MP4/H.264/WMV player