Samsung U450 DoubleTake vs i-mobile i858
Samsung U450 DoubleTake
i-mobile i858
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Network
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2G networkCDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkCDMA2000 1xHSDPA 2100
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HSDPA speed-HSDPA
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Speed YesYes-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2009-72014-12
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Status2009-72014-12
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Design
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SIMMini-SIMMini-SIM
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Height108 mm120 mm
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Width53 mm67 mm
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Thickness17 mm12.8 mm
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Weight100 g
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KeyboardQWERTY-
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ColorsBlack, RedBlack, White
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.1 inches4.3 inches
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Resolution176 x 220 pixels480 x 800 pixels
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Pixel density134 ppi217 ppi
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Display colors262144262144
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Hardware
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Memory cardmicroSDmicroSD
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Memory card max-16 GB
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1280 x 1024 pixels2592 x 1944 pixels
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Primary camera videonovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v2.0
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Bluetooth A2DPYesYes
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GPSNoYes, with A-GPS
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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 EmailEmailEmail
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Messaging IMIM-
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity960 mAh1500 mAh
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Talk time5 h4 h 30 min
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Standby time300 h250 h
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OS
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OS-Android OS, v2.0 (Donut)
