Karbonn KT21 Express vs LG GU292
Karbonn KT21 Express
LG GU292
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Network
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2G networkGSMGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1900
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HSDPA speed-HSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122010-5
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Status2010-6
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height99.6 mm
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Width47 mm
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Thickness16.3 mm
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Weight105.2 g
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ColorsBlackBlack, Silver
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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-100 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideo-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNo-
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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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WLAN
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USBYesmicroUSB 2.0
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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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GPS Navigator-AT&T Navigator
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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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JavaYesYes
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Java MIDP-MIDP 2.0
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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 mAh900 mAh
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Talk time-6 h 30 min
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Standby time-504 h