ZTE U900 vs i-mobile 638CG
ZTE U900
i-mobile 638CG
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkTD-HSDPA 1900, 2100-
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TD-HSDPA speedTD-HSDPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2011-22009
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Status2011
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height113 mm
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Width51 mm
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Thickness14.5 mm
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Weight
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ColorsWhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches2.4 inches
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Resolution480 x 800 pixels240 x 320 pixels
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Pixel density267 ppi167 ppi
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Display colors262144262144
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Hardware
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Internal storage-25 MB
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Memory cardmicroSDmicroSD
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Memory card max-8 GB
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OS
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OSAndroid-based OPhone OS v2.0-
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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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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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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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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JavaYes, via Java MIDP emulatorNo
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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 capacity-1050 mAh
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Talk time-8 h 30 min
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Standby time-400 h
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Multimedia
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Radio FM-FM radio
