Microsoft Lumia 638 Specifications

Key Specs General Performance Display Design Rear Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs

RAM 1 GB
Processor Qualcomm Snapdragon 400 MSM8926
Rear Camera 5 MP
Battery 1830 mAh
Display 4.5 inches (11.43 cm)

General

Operating System Windows Phone v8.1

Performance

Chipset Qualcomm Snapdragon 400 MSM8926
CPU Quad core, 1.2 GHz, Cortex A7
Graphics Adreno 305
RAM 1 GB

Display

Display Type IPS LCD
Screen Size 4.5 inches (11.43 cm)
Resolution 480x854 px
Pixel Density 218 ppi
Screen to Body Ratio (calculated) 64.59 %
Touch Screen Yes, Capacitive Touchscreen, Multi-touch
Screen Size 4.5 inches (11.43 cm)
Pixel Density 218 ppi

Design

Height 129.5 mm
Width 66.7 mm
Thickness 9.2 mm
Weight 134 grams
Colours Black, White

Rear Camera

Camera Setup Single
Resolution
CameraMPApertureFocal LengthZoom
Primary5 MPf/2.428 mmupto 4x Digital Zoom
Autofocus Yes
Image Resolution 2592 x 1944 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Macro Mode
Camera Features 4 x Digital Zoom
Face detection
Touch to focus
Video Recording 1280x720 @ 30 fps

Battery

Capacity 1830 mAh
Type Li-ion

Storage

Internal Memory 8 GB
Expandable Memory Yes, Up to 128 GB

Network & Connectivity

SIM Slot(s) Single SIM, GSM
SIM Size SIM1: Micro
Network Support 5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1 4G bands, 3G bands, 2G bands, 4G Speed, 3G Speed, GPRS, EDGE,
Expand
Bands Features
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 1800(band 3) / 2600(band 7)
3G bandsUMTS 1900 / 2100 / 850 / 900 MHz
2G Bands GSM 1800 / 1900 / 850 / 900 MHz
4G Speed50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
3G SpeedHSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
GPRSAvailable
EDGEAvailable
Wi-Fi Yes, Wi-Fi 4 (802.11 b/g/n)
Bluetooth Yes, v4.0
GPS Yes with A-GPS, Glonass
USB Connectivity microUSB 2.0

Multimedia

FM Radio Yes
Loudspeaker Yes
Audio Jack 3.5 mm

Sensors

Other Sensors Accelerometer