Nokia Lumia 638

General
Release date     June 2014
Form factor     Touchscreen
Dimensions (mm)     129.50 x 66.70 x 9.20
Battery capacity (mAh)     1830
Removable battery     No
Colours     Orange, Black, Yellow, White
SAR value     NA
Display
Screen size (inches)     4.50
Touchscreen     Yes
Touchscreen type     Capacitive
Resolution     480x854 pixels
Colours     16M
Hardware
Processor     1.2GHz  quad-core
Processor make     Qualcomm Snapdragon 400
RAM     1GB
Internal storage     8GB
Expandable storage     Yes
Expandable storage up to (GB)     128
Camera
Rear camera     5-megapixel
Flash     No
Front camera     No
Software
Operating System     Windows Phone 8.1
Java support     Yes
Browser supports Flash     No
Connectivity
Wi-Fi     Yes
Wi-Fi standards supported     802.11 b/ g/ n
GPS     Yes
Bluetooth     Yes
NFC     No
Infrared     No
DLNA     No
Wi-Fi Direct     No
MHL Out     No
HDMI     No
Headphones     3.5mm
FM     No
USB     Micro-USB
Charging via Micro-USB     Yes
Proprietary charging connector     No
Proprietary data connector     No
Number of SIMs     1
GSM/ CDMA     GSM
3G     Yes
Sensors
Compass/ Magnetometer     No
Proximity sensor     No
Accelerometer     No
Ambient light sensor     No
Gyroscope     No
Barometer     No
Temperature sensor     No

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