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Technical details for
Nokia N81LG Optimus 4X HD
Nokia N81Nokia N81
ManufactureNokiaLG
ModelN81Optimus 4X HD
Form factorSliderBlock
Weight140 gram130.00
Dimensions (HxWxD)102 x 50 x 18133.00 x 68.00 x 9.00
Operating SystemOtherAndroid
Networks2G - 850/900/1800/1900
3G - 2100
2G - 850/900/1800/1900
3G - 900/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPANoYes
HSPA+NoYes
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoYes
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNA4.0
DLNANoYes
GPSNoYes
GlonassNoNo
ANT+NoNo
IrDANoNo
NFCNoNo
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom8 megapixel, autofocus
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesYes
Flash typeNANA
Video recordingYesYes
Video capture resolutionNA1080p
Second CameraNANA
Display size2.4 inches4.70
TouchscreenNoYes
Colour displayYesYes
Number of colours1670000016700000
Display width240720
Display height3201280
PPI166.67312.47
Second DisplayNANA
CPUNA1.5 GHz quad-core Nvidia Tegra 3
GPUNANA
Memory18MB. Expandable up to 4GB with miniSD card1 GB RAM, 16 GB internal storage
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoYes
FM RadioYesYes
Battery1050 mAh2140 mAh
Standby time (h)408NA
Talktime (m)240NA
Wireless ChargingNoNo
Browser2.0 XHTMLAndroid HTML Webkit
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationYesYes
SyncMLNoYes
WebsiteWebsite Website 

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