NIU C21A vs ZTE Grand S Flex
NIU C21A
ZTE Grand S Flex
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA
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4G network-LTE
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2013-32013-11
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Status2013-42013-11
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Design
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SIMDual SIM (Mini-SIM)Yes
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Height106 mm143 mm
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Width45 mm70 mm
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Thickness14.5 mm8.9 mm
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Weight73 g130 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteBlack/Silver
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size1.8 inches5.0 inches
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Resolution128 x 160 pixels720 x 1280 pixels
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Pixel density114 ppi294 ppi
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Display colors26214416777216
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Hardware
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CPUDual-core 1.2 GHz Krait
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Chipset-Qualcomm MSM8930 Snapdragon
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Internal storage64 Mbit16 GB
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Memory RAM-1 GB
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Memory cardmicroSD
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Memory card max32 GB-
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Main camera
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Main camera8 MP
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Primary camera resolution640 x 480 pixels3264 x 2448 pixels
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Primary camera videono1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Camera featuresNo-
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Selfie camera
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Secondary cameraNo-
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Selfie camera1 MP
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration, PolyphonicVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM 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 Hotspot-Yes
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WLAN DLNA-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.0v4.0
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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 SMSSMSSMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IMIMIM
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Messaging Push Email-Push Email
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WAPYes-
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JavaNoYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh2300 mAh
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Talk time4 h3 h
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Standby time200 h250 h
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OS
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OS-Android OS, v4.1 (Jelly Bean)
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Browser
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HTML-Yes
