Karbonn KT21 Express vs Plum Link II
Karbonn KT21 Express
Plum Link II
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Network
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2G networkGSM
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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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Status2014-12
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Design
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SIMDual SIM (Mini-SIM)No
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Height188.1 mm
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Width112.2 mm
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Thickness10.1 mm
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Weight310 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 size2.8 inches7.0 inches
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Resolution-600 x 1024 pixels
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Pixel density-170 ppi
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Hardware
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CPU1.5 GHz
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Memory RAM-1 GB
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Internal storage-8 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 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 videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), MP3 ringtonesN/A
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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 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual Band-Yes
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USBYesYes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMS-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYesYes, via Java MIDP emulator
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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 mAh3000 mAh
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Battery removable-Non-removable
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Talk time--
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Standby time-250 h
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)
