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Technical details for
HTC J Butterfly HTL21LG Optimus GT540
HTC J Butterfly HTL21HTC J Butterfly HTL21
ManufactureHTCLG
ModelJ Butterfly HTL21Optimus GT540
Form factorBlockBlock
Weight140 gram115.00
Dimensions (HxWxD)143 x 71 x 9.1109.00 x 55.00 x 13.00
Operating SystemAndroidAndroid
Networks3G - CDMA2000 1xEV-DO2G - 850/900/1800/1900
3G - 900/2100
HSCSDNoNo
GPRSNoYes
EDGENoYes
UMTSNoYes
HSDPANoYes
HSPA+NoNo
WiMAXNoNo
LTE (4G light)YesNo
WLAN / Wi-FiYesYes
Wi-Fi HotspotYesNo
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoNo
USB portYesYes
MHLNoNo
BluetoothYesYes
Bluetooth version4.0NA
DLNANoNo
GPSYesYes
GlonassYesNo
ANT+NoNo
IrDANoNo
NFCYesNo
3.5 mm audio connectorYesYes
CameraYesYes
Camera resolution8 megapixel3 megapixel, autofocus, face detection and blink detecction, geo-tagging
Image StabilizationNoNo
BSI sensorNoNo
Camera Flash/LightYesNo
Flash typeLEDNA
Video recordingYesYes
Video capture resolution1080pNA
Second Camera2.1 megapixelNA
Display size5 inches3.00
TouchscreenYesYes
Colour displayYesYes
Number of colours16777216262000
Display width1080320
Display height1920480
PPI440.58192.30
Second DisplayNANA
CPU1.5 GHz quad-core, Qualcomm Snapdragon S4 APQ8064 - MDM9615 NA
GPUNANA
Memory2 GB RAM. 16 GB internal storage130 MB. Expandable up to 32 GB
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, AAC+, eAAC+, WMA, WAVNA
JavaNoYes
GamesYes, downloadableYes
FM RadioNoYes
Battery20201500 mAh
Standby time (h)NA500
Talktime (m)NA330
Wireless ChargingNoNo
BrowserAndroid HTML WebkitAndroid HTML Webkit
CalendarYesYes
VoicedialingYesNo
IP CodeIPX5NA
Predictive textYesYes
RSS readerYesNo
VoicememoYesYes
PC SynchronizationYesNo
SyncMLYesYes
WebsiteWebsite Website 

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