Bird S663 vs Siemens AL21
Bird S663
Siemens AL21
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2014-122005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height105.3 mm86.8 mm
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Width44 mm45.8 mm
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Thickness15.8 mm19.2 mm
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Weight80 g78 g
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ColorsBlack, WhiteBlack Magic, Red Temptation
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Display
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Display typeCSTNTFT
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Physical size1.5 inches-
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Resolution128 x 128 pixels130 x 130 pixels
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Pixel density121 ppi-
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Display colors6656066560
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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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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 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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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 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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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity700 mAh600 mAh
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Talk time3 h5 h
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Standby time140 h220 h