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Technical details for
Nokia N81Nokia Lumia 820
Nokia N81Nokia N81
ManufactureNokiaNokia
ModelN81Lumia 820
Form factorSliderBlock
Weight140 gram160.00
Dimensions (HxWxD)102 x 50 x 18123.80 x 68.50 x 9.90
Operating SystemOtherWindows Phone 8
Networks2G - 850/900/1800/1900
3G - 2100
2G - 850/900/1900
3G - 850/900/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPANoYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)NoYes
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoNo
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNA3.1
DLNANoYes
GPSNoYes
GlonassNoYes
ANT+NoNo
IrDANoNo
NFCNoYes
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom8 megapixels, 4x digital zoom, 28mm focal length, f/2.2
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesYes
Flash typeNALED
Video recordingYesYes
Video capture resolutionNA1080p
Second CameraNANA
Display size2.4 inches4.30
TouchscreenNoYes
Colour displayYesYes
Number of colours1670000016777216
Display width240480
Display height320800
PPI166.67216.97
Second DisplayNANA
CPUNA1.5 GHz dual-core Snapdragon S4 MSM8960
GPUNAAdreno 225
Memory18MB. Expandable up to 4GB with miniSD card1 GB RAM. 8 GB internal storage. Expandable up to 32 GB using microSD card
Micro SIMNoYes
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3, AAC, AAC, AMR-NB, AMR-WB, WAV, WMA
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoYes
FM RadioYesNo
Battery1050 mAh1650 mAh
Standby time (h)408330
Talktime (m)240840
Wireless ChargingNoNo
Browser2.0 XHTMLInternet Explorer 10
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationYesYes
SyncMLNoYes
WebsiteWebsite Website 

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