Karbonn A4+ vs ZTE U900
Karbonn A4+
ZTE U900
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-TD-HSDPA 1900, 2100
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TD-HSDPA speed-TD-HSDPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122011-2
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Status2014-122011
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Design
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SIMDual SIMMini-SIM
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Height123 mm
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Width63 mm
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Thickness10.5 mm
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Weight87.5 g
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ColorsWhite/BlackWhite
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches3.5 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi267 ppi
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Display colors-262144
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Hardware
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CPUDual-core 1 GHz
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Internal storage90 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v4.0 (Ice Cream Sandwich)Android-based OPhone OS v2.0
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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 videovideovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoVGA camera
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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; MP3, WAV ringtones
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Multimedia
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Radio FMFM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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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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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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WAP-WAP 2.0/xHTML
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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 capacity1250 mAh-
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Talk time5 h-
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Standby time125 h-
