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Technical details for
ViewSonic ViewPad 4Nokia Lumia 900
ViewSonic ViewPad 4ViewSonic ViewPad 4
ManufactureViewSonicNokia
ModelViewPad 4Lumia 900
Form factorBlockBlock
WeightNA160.00
Dimensions (HxWxD)121 x 66 x 11127.80 x 68.50 x 11.50
Operating SystemAndroidWindows Phone 7
Networks2G - 800/850/1800/1900
3G - 900/2100
2G - 850/900/1800/1900
3G - 850/1700/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPAYesYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoYes
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outYesNo
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNANA
DLNANoNo
GPSYesYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoYes
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution5 megapixel, autofocus8 megapixel, autofocus, f/2.2, 3x digital zoom, 28mm focal length, geo tagging, Carl Zeiss optics, a
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesYes
Flash typeNANA
Video recordingYesYes
Video capture resolutionNANA
Second CameraVGA (640 x 480)1 megapixel
Display size4.1 inches4.30
TouchscreenYesYes
Colour displayYesYes
Number of colours1600000016000000
Display width480480
Display height800800
PPI227.55216.97
Second DisplayNANA
CPU1 GHz Qualcomm MSM 82551.4 GHz
GPUNANA
Memory512 MB512 MB RAM. 16 GB storage. 14.5 available to user. SkyDrive cloud storage
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3MP3, AAC, eAAC, eAAC+, WMA, WMA 9
JavaNoNo
GamesYesYes
FM RadioNoYes
BatteryNA1840 mAh
Standby time (h)NA300
Talktime (m)NA420
Wireless ChargingNoNo
BrowserAndroid HTML WebkitHTML5
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationNAYes
SyncMLYesYes
WebsiteWebsite Website 

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