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General

Model

Lumia 638

Network

2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100
4G bands LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)

OS

Microsoft Windows Phone 8.1

CPU

Quad-core 1.2 GHz Cortex-A7

Dimensions

129.5 x 66.7 x 9.2 mm

Chipset

Qualcomm Snapdragon 400

Colors

Black

Announced

2014-12

Weight

136 g

Display

Display type :

IPS LCD capacitive touchscreen

Display color

16M colors

Display Dimensions

480 x 854 pixels, 4.5 inches

Display Features

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Multi Touch

Memory

Internal Memory

8 GB, 1 GB RAM

External Memory

microSD, up to 128 GB

Battery

Battery type

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

Talk time

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Stand-by

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Camera

Primary Camera

5 MP, 2592 х 1944 pixels, autofocus

Secondary Camera

No

Flash

Zoom

Data

GPRS

EDGE

IR

USB

Bluetooth

3G

4G

GPS

WLAN

NFC

Public Features

Browser

HTML5

Sensors

Accelerometer

Sound Type

Vibration, MP3, WAV ringtones

Messages

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

Vibration

Call record

Radio Fm

Speeker

Video Player

JAVA

General Notes

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