Sewon SG-2890CD vs Siemens A31
Sewon SG-2890CD
Siemens A31
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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 announced20042005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height72 mm102 mm
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Width40 mm46 mm
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Thickness23 mm17.6 mm
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Weight80 g85 g
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Colors-Anthracite, Ruby Red
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Display
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Display typeCSTNCSTN
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Resolution128 x 128 pixels128 x 128 pixels
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Display colors25666560
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Hardware
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Internal storage-1.5 MB
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Memory card
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Sound
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3.5mm jackNoNo
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LoudspeakerNoYes
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NotificationsVibration; Polyphonic(16) ringtonesVibration; Polyphonic(32) 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 MMS-MMS
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WAP-WAP 1.2.1
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JavaNoYes
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Java MIDP-MIDP 1.0
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Languages-
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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-820 mAh
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Talk time3 h5 h
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Standby time110 h270 h
