NIU GO 21 vs Philips W7555
NIU GO 21
Philips W7555
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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 900, 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 announced2014-52013-12
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Status2014-62013-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM, (Dual stand-by)
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Height105 mm136.8 mm
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Width44.9 mm68.5 mm
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Thickness14.2 mm13.1 mm
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Weight66 g154 g
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ColorsBlack, Blue, Gray, Green, Orange, RedBlack/Red
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Display
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Display typeTFTIPS LCD capacitive touchscreen
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Physical size1.8 inches4.5 inches
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Resolution128 x 160 pixels540 x 960 pixels
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Pixel density114 ppi245 ppi
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Display colors6656016777216
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Hardware
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CPUQuad-core 1.2 GHz
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Internal storage64 Mbit4 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 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 videonovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3 ringtonesVibration; MP3 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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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DP-Yes
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Bluetooth EDRYes-
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GPSNoYes, with A-GPS
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GLONASS-Yes
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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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JavaNoYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh2400 mAh
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Talk time6 h13 h
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Standby time200 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-HTML5
