NIU GO 21 vs ZTE Open
NIU GO 21
ZTE Open
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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 850, 900, 1900, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-52013-2
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Status2014-62013-7
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height105 mm114 mm
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Width44.9 mm62 mm
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Thickness14.2 mm12.5 mm
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Weight66 g
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ColorsBlack, Blue, Gray, Green, Orange, RedBlue, Orange
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size1.8 inches3.5 inches
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Resolution128 x 160 pixels320 x 480 pixels
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Pixel density114 ppi165 ppi
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Display colors66560-
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Hardware
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CPU1.0 GHz ARM Cortex-A5
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Chipset-Qualcomm MSM7225A Snapdragon
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GPU-Adreno 200
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Memory ROM-512 MB
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Internal storage64 Mbit-
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Memory RAM-256 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included-2 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v2.1
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Bluetooth A2DP-Yes
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Bluetooth EDRYesYes
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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 MMSMMSMMS
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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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JavaNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh1200 mAh
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Talk time6 h-
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Standby time200 h-
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OS
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OS-Firefox OS 1.0
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Browser
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HTML-HTML5
