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Technical details for
Samsung A257 MagnetViewSonic ViewPad 4
Samsung A257 MagnetSamsung A257 Magnet
ManufactureSamsungViewSonic
ModelA257 MagnetViewPad 4
Form factorBlockBlock
Weight88 gramNA
Dimensions (HxWxD)109 x 59 x 12121.00 x 66.00 x 11.00
Operating SystemOtherAndroid
Networks2G - 850/900/1800/1900
2G - 800/850/1800/1900
3G - 900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSNoYes
HSDPANoYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiNoYes
Wi-Fi HotspotNoNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoYes
USB portYesNo
MHLNoNo
BluetoothYesYes
Bluetooth versionNANA
DLNANoNo
GPSNoYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoNo
CameraYesYes
Camera resolution0.3 Megapixels (VGA 640x480)5 megapixel, autofocus
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightNoYes
Flash typeNANA
Video recordingNoYes
Video capture resolutionNANA
Second CameraNAVGA (640 x 480)
Display size2.2 inches4.10
TouchscreenNoYes
Colour displayYesYes
Number of colours6500016000000
Display width220480
Display height176800
PPI128.06227.55
Second DisplayNANA
CPUNA1 GHz Qualcomm MSM 8255
GPUNANA
Memory64 MB512 MB
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3MP3
JavaYesNo
GamesYesYes
FM RadioNoNo
Battery800 mAhNA
Standby time (h)240NA
Talktime (m)300NA
Wireless ChargingNoNo
Browser2.0 XHTMLAndroid HTML Webkit
CalendarYesYes
VoicedialingNoYes
IP CodeNANA
Predictive textYesYes
RSS readerNoNo
VoicememoYesYes
PC SynchronizationNoNA
SyncMLNoYes
WebsiteWebsite Website 

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