Alcatel OT-S521A vs Celkon C509
Alcatel OT-S521A
Celkon C509
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Network
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2G networkGSM 850, 1900GSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2014-122014-12
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height103.5 mm108 mm
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Width44.9 mm46 mm
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Thickness10.9 mm14.3 mm
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Weight83 g106 g
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ColorsCherry red, Dark greyBlack/Red
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Display
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Display typeSTNTFT
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Physical size1.8 inches1.8 inches
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Resolution128 x 160 pixels128 x 160 pixels
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Pixel density114 ppi114 ppi
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Hardware
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Internal storage2 MB-
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Memory cardmicroSD
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Memory card max-2 GB
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Main camera
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Primary camera-Yes
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Primary camera resolution640 x 480 pixels-
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic(64), MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLAN
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USBminiUSB 2.0Yes
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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 MMSMMS-
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WAPWAP 2.0/xHTML-
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity750 mAh1800 mAh
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Talk time10 h7 h 30 min
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Standby time400 h600 h
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Browser
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Browser-No