Alcatel OT-355 vs NIU C21A
Alcatel OT-355
NIU C21A
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Network
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2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2011-22013-3
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Status2011-32013-4
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height103 mm106 mm
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Width58 mm45 mm
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Thickness12.1 mm14.5 mm
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Weight80 g73 g
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KeyboardQWERTY-
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ColorsCherry red, Cyber blue, SiverBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeTFTTFT
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Physical size1.8 inches1.8 inches
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Resolution160 x 128 pixels128 x 160 pixels
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Pixel density114 ppi114 ppi
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Display colors66560262144
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Hardware
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CPU52 MHz
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Internal storage0.7 MB64 Mbit
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Memory cardmicroSDmicroSD
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Memory card max4 GB32 GB
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Main camera
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Primary camera resolution640 x 480 pixels640 x 480 pixels
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Primary camera videonono
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Camera features-No
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic
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Multimedia
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Radio FMFM radio with RDSStereo FM radio
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Connectivity
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WLAN
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USBYesYes
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Bluetoothv2.0
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IM-IM
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WAPWAP 2.0/xHTMLYes
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh600 mAh
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Talk time9 h4 h
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Standby time450 h200 h
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