Celkon A900 vs i-mobile i858
Celkon A900
i-mobile i858
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-112014-12
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Status2012-112014-12
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height152.8 mm120 mm
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Width81.7 mm67 mm
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Thickness10.2 mm12.8 mm
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Weight185 g
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ColorsBlackBlack, White
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size5.0 inches4.3 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density187 ppi217 ppi
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Display colors-262144
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Hardware
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CPU1 GHz
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v2.3.6 (Gingerbread)Android OS, v2.0 (Donut)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0Yes
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BluetoothYesv2.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS
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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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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity2000 mAh1500 mAh
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Talk time8 h 20 min4 h 30 min
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Standby time350 h250 h
