Karbonn A30 vs Micromax A28 Bolt
Karbonn A30
Micromax A28 Bolt
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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GPRSYesYes
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EDGEYesYes
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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)Dual SIM (Mini-SIM)
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Height166 mm116.9 mm
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Width91 mm62.5 mm
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Thickness10.7 mm12.5 mm
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Weight280 g89 g
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ColorsBlack/WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size5.9 inches3.5 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density158 ppi165 ppi
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Display colors26214466560
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Hardware
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CPUDual-core 1 GHz1 GHz ARM Cortex-A5
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GPU-Mali-300
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Memory RAM512 MB256 MB
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Internal storage4 GB512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.0.4 (Ice Cream Sandwich)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels640 x 480 pixels
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Primary camera videovideo320p
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-VGA camera
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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, MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2500 mAh1500 mAh
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Talk time10 h4 h
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Standby time600 h260 h
