vivo Y31
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 2100
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HSPA speedHSPA
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2015-9
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Status2015-10
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Design
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SIMDual SIM
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Height137.2 mm
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Width68.8 mm
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Thickness8.4 mm
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Weight137 g
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ColorsBlack, White
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Display
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Display typeIPS LCD capacitive touchscreen
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Physical size4.7 inches
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Resolution720 x 1280 pixels
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Pixel density312 ppi
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Display colors16777216
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Hardware
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CPUQuad-core 1.3 GHz
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ChipsetMediatek MT6580
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Memory RAM1 GB
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Internal storage8 GB
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Memory cardmicroSD
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Memory card max128 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)
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Main camera
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels
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Primary camera videovideo
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Primary camera flashLED flash
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Camera featuresGeo-tagging, HDR, touch focus
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Selfie camera
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Selfie camera2 MP
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Sound
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3.5mm jackYes
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LoudspeakerYes
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NotificationsVibration; 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-Fi
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USBmicroUSB 2.0
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BluetoothYes
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GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)
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Messaging MMSMMS
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Messaging EmailEmail
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Messaging IMIM
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Messaging Push MailPush Mail
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JavaNo
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SensorsAccelerometer, compass, proximity
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Browser
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HTMLHTML5
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Battery
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Battery typeLi-Po
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Battery capacity2100 mAh
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Talk time-
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Standby time-