Karbonn KT21 Express vs Spice QT-50
Karbonn KT21 Express
Spice QT-50
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Network
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2G networkGSMGSM 900, 1800
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GPRSYesYes
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EDGEYes
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Availability
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Status2010-5
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Oficially announced2014-122010-5
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height110 mm
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Width58 mm
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Thickness13 mm
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Weight90 g
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Keyboard-QWERTY
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size2.8 inches2.0 inches
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Resolution-176 x 220 pixels
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Pixel density-141 ppi
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Display colors-262144
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Hardware
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Internal storage-1 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB2 GB
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Main camera
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Main camera3.15 MP
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Primary camera-Yes
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideono
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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, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recordingscheduled FM recording
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Connectivity
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WLAN
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USBYes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IM-IM
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WAP-WAP 2.0/xHTML
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JavaYesNo
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1000 mAh
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Talk time-4 h
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Standby time-300 h
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