Yezz Billy 4
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900
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HSDPA speed42.2 Mbps
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HSUPA speed5.76 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-6
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Status2014-10
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Design
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SIMDual SIM (Micro-SIM)
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Height122.5 mm
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Width64.4 mm
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Thickness9.9 mm
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Weight109 g
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ColorsBlack, Blue, Champing Gold, Gun Metal, Red, White, Yellow
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Display
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Display typeTFT capacitive touchscreen
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Physical size4.0 inches
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Resolution480 x 800 pixels
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Pixel density233 ppi
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Display colors16777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7
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ChipsetQualcomm MSM8212 Snapdragon 200
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GPUAdreno 302
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Memory RAM512 MB
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Internal storage4 GB
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Memory cardmicroSD
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Memory card max128 GB
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OS
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OSMicrosoft Windows Phone 8.1
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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 video720p@30fps
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Primary camera Autofocusautofocus
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Primary camera flashLED flash
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Camera featuresGeo-tagging, touch focus
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Selfie camera
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Selfie camera1.3 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 FMStereo FM radio
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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 HotspotYes
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USBmicroUSB 2.0
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Bluetoothv4.0
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Bluetooth A2DPYes
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GPSYes, with A-GPS
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GLONASSYes
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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 EmailPush Email
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JavaNo
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SensorsAccelerometer, proximity
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Browser
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HTMLHTML5
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Battery
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Battery typeLi-Ion
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Battery capacity1300 mAh
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Talk time 2G7 h
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Talk time 3G4 h 30 min
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Standby time 2G350 h
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Standby time 3G300 h