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Technical details for
Samsung A257 MagnetMotorola Rival A455
Samsung A257 MagnetSamsung A257 Magnet
ManufactureSamsungMotorola
ModelA257 MagnetRival A455
Form factorBlockQWERTY Slider
Weight88 gram125.00
Dimensions (HxWxD)109 x 59 x 1297.00 x 51.00 x 18.00
Operating SystemOtherOther
Networks2G - 850/900/1800/1900
2G - 800/1900
HSCSDNoNo
GPRSYesNo
EDGEYesNo
UMTSNoNA
HSDPANoNA
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiNoNo
Wi-Fi HotspotNoNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoNo
USB portYesYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNANA
DLNANoNo
GPSNoYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution0.3 Megapixels (VGA 640x480)2 megapixel, 7x digital zoom
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightNoNo
Flash typeNANA
Video recordingNoYes
Video capture resolutionNANA
Second CameraNANA
Display size2.2 inches2.20
TouchscreenNoNo
Colour displayYesYes
Number of colours6500065000
Display width220176
Display height176220
PPI128.06128.06
Second DisplayNANA
CPUNANA
GPUNANA
Memory64 MB179 MB. Expandable up to 8 GB
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3MP3, MIDI, WAV
JavaYesNo
GamesYesNA
FM RadioNoNo
Battery800 mAhNA
Standby time (h)240510
Talktime (m)300320
Wireless ChargingNoNo
Browser2.0 XHTMLNA
CalendarYesYes
VoicedialingNoYes
IP CodeNANA
Predictive textYesNA
RSS readerNoNA
VoicememoYesYes
PC SynchronizationNoNA
SyncMLNoNA
WebsiteWebsite Website 

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