T-Mobile Sidekick LX vs VK Mobile VK2100
T-Mobile Sidekick LX
VK Mobile VK2100
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-92005
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Status
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Design
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SIMMini-SIMMini-SIM
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Height129.5 mm93 mm
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Width60 mm49 mm
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Thickness22 mm9.3 mm
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Weight162 g48 g
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KeyboardQWERTY-
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ColorsBlackBlack
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Display
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Display typeTFTOLED
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Physical size3.0 inches-
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Resolution240 x 400 pixels128 x 160 pixels
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Pixel density155 ppi-
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Display colors66560262144
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Hardware
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Memory ROM64 MB-
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Memory RAM64 MB-
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Internal storage-2 GB
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Memory cardmicroSD
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OS
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OSDanger OS-
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 pixels-
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Primary camera videovideo-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USBYesYes
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Bluetoothv2.0Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesNo
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Java MIDPMIDP 2.0-
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1540 mAh790 mAh
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Talk time6 h 50 min3 h
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Standby time96 h150 h