Nokia Lumia 638 - Technical characteristics and specifications

Nokia Lumia 638

Lumia 638 technical characteristics

About the device:

Nokia Lumia 638 is a mobile/cell phone with dimensions of 129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in), a weight of 136 grams, a screen size of 4.5 inches (~64.6% screen-to-body ratio) and a screen resolution of 480 x 854 pixels (~218 ppi pixel density).

It has a processor Quad-core 1.2 GHz Cortex-A7, a graphics card Adreno 305, a 1 GB RAM RAM memory and an internal memory of 8 GB expandable by memory card microSD up to 256 GB (dedicated slot) .

The Nokia Lumia 638 comes from the factory with the Microsoft Windows Phone 8.1 operating system.

Technical information

Property	Value
Brand	Nokia
Model	Lumia 638

Connectivity
Network	GSM / HSPA / LTE
2G connectivity	GSM 850 / 900 / 1800 / 1900
3G connectivity	HSDPA 850 / 900 / 1900 / 2100 - RM-1010
4G connectivity	LTE band 3(1800)\| 7(2600)\| 38(2600)\| 39(1900)\| 40(2300)\| 41(2500)
5G connectivity	No
Network speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps
GPRS	Yes
EDGE	Yes
Date announced	2014 December
Status	Available. Released 2014 December

Body
Dimensions	129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)
Height	129.5
Thickness	9.2 mm
Weight gr.	136
Weight oz	4.8
SIM	Micro-SIM
Colors	Black

Screen
Type of screen	IPS LCD capacitive touchscreen 16M colors
Screen resolution	480 x 854 pixels (~218 ppi pixel density)
Screen size	4.5 inches (~64.6% screen-to-body ratio)

Platform
OS	Microsoft Windows Phone 8.1
CPU	Quad-core 1.2 GHz Cortex-A7
Chipset	0
GPU	Adreno 305

Storage and memory
Memory card	microSD up to 256 GB (dedicated slot)
Internal memory	8 GB
RAM	1 GB RAM

Cameras
Main camera	5 MP\| autofocus
Secondary camera	No
Speaker	Yes
Audio connector	Yes

Communications
WLAN	Wi-Fi 802.11 b/g/n\| DLNA\| hotspot
Bluetooth	4.0\| A2DP\| LE/ aptX after WP8 Denim update
GPS	Yes with A-GPS GLONASS
Radio	FM radio
USB	microUSB 2.0
Sensors	Accelerometer