Alcatel OT 557 vs BenQ-Siemens SL91
Alcatel OT 557
BenQ-Siemens SL91
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-UMTS 2100
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20042006-7
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Status
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Design
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SIMMini-SIMMini-SIM
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Height107.7 mm89 mm
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Width48.2 mm47 mm
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Thickness21.4 mm23 mm
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Weight93 g109 g
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Colors-Magic Black
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Display
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Display typeCSTNTFT
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Physical size-2.0 inches
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Resolution128 x 160 pixels240 x 320 pixels
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Pixel density-200 ppi
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Display colors6656016777216
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Hardware
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Internal storage2 MB64 MB
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Memory cardmicroSD
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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NotificationsVibration; Downloadable polyphonic ringtones, composerVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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Connectivity
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WLAN
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USB2.0
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BluetoothYes
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InfraredYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging Email-Email
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDP-MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity800 mAh950 mAh
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Talk time7 h3 h 15 min
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Standby time285 h310 h
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