Samsung A657 vs i-mobile 315
Samsung A657
i-mobile 315
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900-
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HSDPA speedHSDPA, 3.6 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Status2009
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Oficially announced2009-42007-11
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Design
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SIMMini-SIMMini-SIM
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Height115 mm98 mm
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Width52 mm46.3 mm
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Thickness19.5 mm15.1 mm
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Weight123 g80 g
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ColorsBlack-
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Display
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Display typeTFTTFT
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Physical size1.9 inches1.5 inches
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Resolution176 x 220 pixels128 x 128 pixels
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Pixel density148 ppi121 ppi
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Display colors262144262144
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Hardware
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Internal storage128 MB-
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Memory cardmicroSDmicroSD
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Memory card max8 GB-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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NotificationsVibration; Polyphonic(72), MP3 ringtonesVibration; Downloadable polyphonic, MP3, AAC+ ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLAN
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USB2.0Yes
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Bluetoothv2.0
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Bluetooth A2DPYes-
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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 MMSMMSMMS
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Messaging EmailEmail-
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WAPWAP 2.0/xHTMLYes
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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 capacity1420 mAh720 mAh
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Talk time3 h3 h
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Standby time250 h200 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Selfie camera
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Secondary camera-No
