O2 XDA Stealth vs Siemens AL21
O2 XDA Stealth
Siemens AL21
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2006-92005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height110 mm86.8 mm
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Width53 mm45.8 mm
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Thickness22.5 mm19.2 mm
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Weight140 g78 g
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ColorsSilverBlack Magic, Red Temptation
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size2.4 inches-
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Resolution240 x 320 pixels130 x 130 pixels
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Pixel density167 ppi-
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Display colors6656066560
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Hardware
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CPU416 MHz Intel XScale PXA 272
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Memory ROM192 MB-
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Memory RAM64 MB-
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Internal storage-1.5 MB
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Memory cardminiSD
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OS
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OSMicrosoft Windows Mobile 5.0 PocketPC-
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Main camera
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Main camera2 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera videovideo-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNo-
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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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WLANWi-Fi 802.11b, 802.11g
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USBYesYes
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Bluetoothv1.2
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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 EMS-EMS
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmail-
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WAPWAP 2.0/xHTMLWAP 1.2.1
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 1.0
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Browser
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HTMLHTML (PocketIE)-
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1300 mAh600 mAh
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Talk time4 h 30 min5 h
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Standby time150 h220 h
