Karbonn KT21 Express vs Philips D900
Karbonn KT21 Express
Philips D900
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Network
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2G networkGSMCDMA 800, 1900
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3G network-CDMA2000 1xEV-DO
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CDMA speed-CDMA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status2010
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height101.2 mm
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Width60.5 mm
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Thickness15 mm
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Weight147.8 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT resistive touchscreen
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Physical size2.8 inches2.8 inches
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Resolution-240 x 320 pixels
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Pixel density-143 ppi
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Display colors-66560
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Hardware
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Memory cardmicroSDmicroSD
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Memory card max32 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 videovideo352x288
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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 jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBYesminiUSB 1.1
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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WAP-WAP 2.0/xHTML
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JavaYesNo
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh-
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Talk time--
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Standby time--
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OS
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OS-Microsoft Windows Mobile OS
