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Technical details for
ViewSonic ViewPad 4Apple iPhone 3G
ViewSonic ViewPad 4ViewSonic ViewPad 4
ManufactureViewSonicApple
ModelViewPad 4iPhone 3G
Form factorBlockBlock
WeightNA133.00
Dimensions (HxWxD)121 x 66 x 11116.00 x 62.00 x 12.00
Operating SystemAndroidiPhone OS
Networks2G - 800/850/1800/1900
3G - 900/2100
2G - 850/900/1800/1900
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPAYesYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesNo
EmailYesYes
HDMI outYesNo
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNANA
DLNANoNo
GPSYesYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoNo
CameraYesYes
Camera resolution5 megapixel, autofocus2 megapixel
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesNo
Flash typeNANA
Video recordingYesNo
Video capture resolutionNANA
Second CameraVGA (640 x 480)NA
Display size4.1 inches3.50
TouchscreenYesYes
Colour displayYesYes
Number of colours1600000016000000
Display width480320
Display height800480
PPI227.55164.83
Second DisplayNANA
CPU1 GHz Qualcomm MSM 8255NA
GPUNANA
Memory512 MB8 GB / 16 GB
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3Polyphonic, MP3
JavaNoNo
GamesYesNA
FM RadioNoNo
BatteryNANA
Standby time (h)NA300
Talktime (m)NA600
Wireless ChargingNoNo
BrowserAndroid HTML WebkitHTML
CalendarYesYes
VoicedialingYesNo
IP CodeNANA
Predictive textYesNo
RSS readerNoNo
VoicememoYesYes
PC SynchronizationNAYes
SyncMLYesNo
WebsiteWebsite Website 

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