Alcatel OT-808 vs Karbonn KT21 Express
Alcatel OT-808
Karbonn KT21 Express
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Network
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2G networkGSM 900, 1800GSM
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2010-22014-12
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Status2010-2
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height70.6 mm
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Width70.6 mm
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Thickness20.7 mm
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Weight113 g
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KeyboardQWERTY-
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ColorsDark Chrome, Pink ChromeBlack
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.4 inches2.8 inches
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Resolution320 x 240 pixels-
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Pixel density167 ppi-
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Display colors66560-
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Hardware
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Internal storage80 MB-
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic(64), MP3 ringtones
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Multimedia
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Radio FMFM radio with RDSFM radio
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Radio recording-FM recording
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Connectivity
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WLAN
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USBmicroUSB 2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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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 EmailEmailEmail
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Messaging IMIM-
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WAPWAP 2.0/xHTML-
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JavaYesYes
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Java MIDPMIDP 2.0-
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Browser
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HTMLHTML (Opera mini 4)-
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Browser-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity850 mAh1000 mAh
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Talk time18 h-
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Standby time550 h-