Nokia Lumia 638
Device specification profile

Nokia Lumia 638

Complete hardware specifications, launch details and a structured technical breakdown from the TechMyte device database.

Released 2014, December
136g, 9.2mm thickness
Microsoft Windows Phone 8.1
8GB storage, microSDXC
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Sources and limitations

Specification source: GSMArena device record.

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100 - RM-1010
4G bands3, 7, 38, 39, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch

Announced2014, December. Released 2014, December
StatusDiscontinued

Body

Dimensions129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)
Weight136 g (4.80 oz)
SIMMicro-SIM

Battery

TypeIPS LCD

Display

Size4.5 inches, 55.8 cm2 (~64.6% screen-to-body ratio)
Resolution480 x 854 pixels, 16:9 ratio (~218 ppi density)
ProtectionCorning Gorilla Glass 3

Platform

OSMicrosoft Windows Phone 8.1
ChipsetQualcomm Snapdragon 400 (28 nm)
CPUQuad-core 1.2 GHz Cortex-A7
GPUAdreno 305

Memory

Card slotmicroSDXC (dedicated slot)
Internal8GB 1GB RAM

Selfie camera

Single5 MP, 1/4.0", AF
VideoYes

Sound

Loudspeaker Yes
3.5mm jack Yes

Comms

WLANWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth4.0, A2DP, LE/ aptX after WP8 Denim update
PositioningGPS, GLONASS
NFCNo
RadioFM radio
USBmicroUSB 2.0

Features

SensorsAccelerometer

Misc

ColorsBlack
PriceAbout 100 EUR
SAR EU1.46 W/kg (head)     0.95 W/kg (body)    

Main Camera

FeaturesPanorama