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Technical details for
Nokia N81Motorola XT531
Nokia N81Nokia N81
ManufactureNokiaMotorola
ModelN81XT531
Form factorSliderBlock
Weight140 gram114.00
Dimensions (HxWxD)102 x 50 x 18114.00 x 62.00 x 12.00
Operating SystemOtherAndroid
Networks2G - 850/900/1800/1900
3G - 2100
2G - 850/900/1800/1900
3G - 850/900/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPANoYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoNo
USB portNoYes
MHLNoNo
BluetoothYesNA
Bluetooth versionNANA
DLNANoNo
GPSNoYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom5 megapixel, autofocus
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesYes
Flash typeNANA
Video recordingYesYes
Video capture resolutionNANA
Second CameraNAVGA (640 x 480)
Display size2.4 inches3.50
TouchscreenNoYes
Colour displayYesYes
Number of colours16700000NA
Display width240320
Display height320480
PPI166.67164.83
Second DisplayNANA
CPUNA800 MHz
GPUNANA
Memory18MB. Expandable up to 4GB with miniSD card512 MB ROM, 512 MB RAM. Expandable up to 32 GB with microSD card
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3, AMR NB, WMA9
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoYes
FM RadioYesYes
Battery1050 mAh1540 mAh
Standby time (h)408672
Talktime (m)240480
Wireless ChargingNoNo
Browser2.0 XHTMLAndroid HTML Webkit
CalendarYesYes
VoicedialingYesNo
IP CodeNANA
Predictive textYesYes
RSS readerNoNo
VoicememoYesYes
PC SynchronizationYesYes
SyncMLNoYes
WebsiteWebsite Website 

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