Celkon AR50 vs NIU C21A
Celkon AR50
NIU C21A
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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 announced2013-122013-3
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Status2013-122013-4
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Design
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SIMDual SIMDual SIM (Mini-SIM)
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Height144.3 mm106 mm
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Width73.4 mm45 mm
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Thickness9.8 mm14.5 mm
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Weight140 g73 g
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ColorsWhiteBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeTFT touchscreenTFT
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Physical size5.0 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 colors-262144
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Hardware
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CPUDual-core 1.2 GHz
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Memory RAM512 MB-
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Internal storage4 GB64 Mbit
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)-
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Main camera
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Main camera5 MP
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Primary camera resolution2592 x 1944 pixels640 x 480 pixels
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Primary camera videovideono
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Camera features-No
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic
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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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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Bluetoothv3.0v2.0
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIMIM
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WAP-Yes
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JavaNoNo
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2000 mAh600 mAh
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Talk time-4 h
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Standby time-200 h
