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Technical details for
Nokia N81Motorola Rival A455
Nokia N81Nokia N81
ManufactureNokiaMotorola
ModelN81Rival A455
Form factorSliderQWERTY Slider
Weight140 gram125.00
Dimensions (HxWxD)102 x 50 x 1897.00 x 51.00 x 18.00
Operating SystemOtherOther
Networks2G - 850/900/1800/1900
3G - 2100
2G - 800/1900
HSCSDNoNo
GPRSYesNo
EDGEYesNo
UMTSYesNA
HSDPANoNA
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiYesNo
Wi-Fi HotspotNoNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoNo
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNANA
DLNANoNo
GPSNoYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom2 megapixel, 7x digital zoom
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesNo
Flash typeNANA
Video recordingYesYes
Video capture resolutionNANA
Second CameraNANA
Display size2.4 inches2.20
TouchscreenNoNo
Colour displayYesYes
Number of colours1670000065000
Display width240176
Display height320220
PPI166.67128.06
Second DisplayNANA
CPUNANA
GPUNANA
Memory18MB. Expandable up to 4GB with miniSD card179 MB. Expandable up to 8 GB
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3, MIDI, WAV
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoNA
FM RadioYesNo
Battery1050 mAhNA
Standby time (h)408510
Talktime (m)240320
Wireless ChargingNoNo
Browser2.0 XHTMLNA
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesNA
RSS readerNoNA
VoicememoYesYes
PC SynchronizationYesNA
SyncMLNoNA
WebsiteWebsite Website 

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