BlackBerry 6720 vs Siemens A57
BlackBerry 6720
Siemens A57
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRS
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EDGE
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Availability
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Oficially announced20032004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height121 mm103 mm
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Width77 mm46 mm
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Thickness18 mm21.5 mm
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Weight138 g84 g
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KeyboardQWERTY-
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Colors-Cassis, Pebble
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Display
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Display typeMonochromeMonochrome graphic
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Physical size3.0 inches5 lines
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Resolution160 x 160 pixels101 x 64 pixels
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Pixel density75 ppi-
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Hardware
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Memory RAM1 MB-
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Internal storage16 MB-
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Memory card
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OS
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OSBlackBerry OS-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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NotificationsVibration; Monophonic ringtonesVibration; Downloadable 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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USBYes
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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 EmailEmail-
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WAP-WAP 1.2.1
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JavaYesNo
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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 capacity-700 mAh
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Talk time4 h2 h
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Standby time240 h250 h
