Allview A4 Duo vs Unnecto Shell
Allview A4 Duo
Unnecto Shell
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-112011-6
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Status2013-112011-8
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Design
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SIMDual SIM (dual stand-by)Dual SIM (dual stand-by)
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Height116.1 mm111.5 mm
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Width63.2 mm60 mm
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Thickness12 mm14.3 mm
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Weight110.6 g240 g
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Keyboard-QWERTY
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ColorsBlackBlack, Silver
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches2.2 inches
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Resolution320 x 480 pixels320 x 240 pixels
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Pixel density165 ppi182 ppi
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A7
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GPUMali-400-
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Memory RAM512 MB-
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Internal storage-128 MB
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Memory cardmicroSD
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Memory card max-32 GB
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Memory card included-2 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)-
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Main camera
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Main camera2 MP1.3 MP
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Primary camera resolution1600 x 1200 pixels1280 x 1024 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v2.1
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Bluetooth A2DPYes-
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Bluetooth EDRYesYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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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 EmailPush Email
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh1000 mAh
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Talk time8 h 20 min4 h
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Standby time200 h150 h
