T-Mobile Sidekick LX 2009 vs ZTE N721
T-Mobile Sidekick LX 2009
ZTE N721
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkUMTS 1700, 2100HSDPA 850, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Status
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Oficially announced2009-42014-12
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Design
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SIMMini-SIMMini-SIM
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Height132 mm106 mm
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Width61 mm56.2 mm
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Thickness16.3 mm14.2 mm
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Weight165 g105 g
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KeyboardQWERTY-
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ColorsCarbon, OrchidBlack
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Display
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Display typeTFTTFT touchscreen
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Physical size3.2 inches2.8 inches
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Resolution854 x 480 pixels240 x 320 pixels
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Pixel density306 ppi143 ppi
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Display colors6656057344
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Hardware
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Internal storage-150 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Memory card included1 GB-
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNo-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBYesmicroUSB 2.0
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.0-
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1250 mAh1100 mAh
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Talk time5 h 30 min4 h 10 min
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Standby time192 h250 h
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OS
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OS-Android OS
