Alcatel OT-C635 vs Siemens A51
Alcatel OT-C635
Siemens A51
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRSYes
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EDGE
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Availability
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Oficially announced2014-122004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height88 mm103 mm
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Width45 mm46 mm
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Thickness21 mm21 mm
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Weight85 g84 g
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ColorsCircles Purple, Flowers White, Surf BlueUrban Grey
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Display
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Display typeCSTNMonochrome graphic
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Physical size1.8 inches5 lines
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Resolution128 x 160 pixels101 x 64 pixels
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Pixel density114 ppi-
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Display colors66560-
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Hardware
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Internal storage4 MB-
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Memory card
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Main camera
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Primary camera resolution640 x 480 pixels-
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Primary camera videono-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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NotificationsVibration; Polyphonic(16) ringtonesDownloadable polyphonic ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USB
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Bluetooth
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMS-
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WAPWAP 2.0/xHTMLWAP 1.2.1
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JavaYesNo
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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh700 mAh
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Talk time6 h 30 min5 h
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Standby time320 h250 h