Celkon CT-910+ vs NIU GO 21
Celkon CT-910+
NIU GO 21
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 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 announced2013-72014-5
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Status2013-72014-6
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Design
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SIMYesDual SIM (Mini-SIM)
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Height193 mm105 mm
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Width123 mm44.9 mm
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Thickness9 mm14.2 mm
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Weight180 g66 g
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ColorsGrayBlack, Blue, Gray, Green, Orange, Red
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Display
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Display typeCapacitive touchscreenTFT
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Physical size7.0 inches1.8 inches
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Resolution600 x 1024 pixels128 x 160 pixels
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Pixel density170 ppi114 ppi
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Display colors-66560
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Hardware
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CPUDual-core 1 GHz
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Internal storage-64 Mbit
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Memory cardmicroSDmicroSD
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Memory card max64 GB32 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)-
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Main camera
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Main camera2 MP
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Primary camera resolution1600 x 1200 pixels640 x 480 pixels
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Primary camera videovideono
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioStereo FM radio
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Connectivity
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WLANWi-Fi
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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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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 EmailEmail-
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Messaging IMIMIM
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3500 mAh650 mAh
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Battery removableNon-removable-
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Talk time10 h6 h
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Standby time300 h200 h
