Assistant AS-5421 Surf vs Yezz ZC20
Assistant AS-5421 Surf
Yezz ZC20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2017-122014-11
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Status2017-122015-1
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Design
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BuildPlastic, metal-
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SIMDual SIM (Micro-SIM, dual SIM stand-by)Mini-SIM
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Height146 mm112 mm
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Width73 mm51.5 mm
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Thickness9.4 mm13.7 mm
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Weight-53 g
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ColorsBlue, Gold, BlackBlue, White
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Display
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Display typeIPS capacitive touchscreenTFT
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Physical size5 inches1.8 inches
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Resolution540 x 960 pixels128 x 160 pixels
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Pixel density220 ppi114 ppi
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Display colors16777216262144
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MultitouchYes-
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7
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ChipsetSpreadtrum SC7731G-
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GPUMali-400 MP2-
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Memory RAM1 GB-
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Internal storage8 GB8 MB
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Memory cardmicroSD, microSDHCmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid 6.0 Marshmallow-
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Main camera
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Camera typeSingle-
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels-
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Primary camera video720p@30fps-
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode-
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Selfie camera
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FlashLED flash-
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Selfie camera2 MP
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Selfie camera resolution1600 x 1200 pixels-
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Selfie camera video480p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration, ringtones
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Multimedia
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RadioFM Radio-
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Radio FM-Stereo FM radio
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Radio antenna-built-in antenna
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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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USBmicroUSB 2.0Yes
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Bluetoothv4.0
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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
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Java-No
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SensorsAccelerometer, proximity, light-
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Browser
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HTMLHTML5-
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Browser-No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1700 mAh600 mAh
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Battery removableRemovable-
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Talk time-4 h 30 min
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Standby time-120 h
