Huawei IDEOS S7 Slim CDMA vs Karbonn A4
Huawei IDEOS S7 Slim CDMA
Karbonn A4
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Network
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2G networkCDMA 800, 1900GSM 850, 1900
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3G networkCDMA2000 1xEV-DOHSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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EV-DO speed3.1 Mbps-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced20112013-3
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Status2013-3
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height200 mm124.8 mm
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Width109.5 mm66 mm
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Thickness12.5 mm9.5 mm
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Weight440 g75 g
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ColorsBlackWhite/Black
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches4.0 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density133 ppi144 ppi
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Display colors262144262144
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Hardware
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Internal storage-256, 512 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, v2.2 (Froyo)Android OS, v2.3.6 (Gingerbread)
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videow480pvideo
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Selfie camera
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Secondary cameraYesYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Mail-
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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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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3250 mAh1400 mAh
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Battery removableNon-removable-
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Talk time5 h4 h 20 min
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Standby time240 h250 h
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