AT&T 8525 vs Alcatel OT-S621
AT&T 8525
Alcatel OT-S621
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 1900, 2100-
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HSDPA speedHSDPA, 1.8 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2006-62008-7
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Status
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Design
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SIMMini-SIMMini-SIM
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Height113 mm103.5 mm
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Width58 mm44.9 mm
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Thickness22 mm10.9 mm
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Weight176 g69 g
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KeyboardQWERTY-
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ColorsBlack, SilverDark Chrome
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Display
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Display typeTFT resistive touchscreenSTN
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Physical size2.8 inches1.8 inches
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Resolution240 x 320 pixels128 x 160 pixels
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Pixel density143 ppi114 ppi
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Display colors6656066560
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Hardware
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CPU400 MHz Samsung
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Memory ROM128 MB-
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Memory RAM64 MB-
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Internal storage-10 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB-
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OS
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OSMicrosoft Windows Mobile 6 Professional-
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Main camera
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Main camera2 MP1.3 MP
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Primary camera resolution1600 x 1200 pixels1280 x 1024 pixels
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Primary camera videovideovideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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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(64), MP3 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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USB1.1Yes
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Bluetoothv2.0v2.0
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Bluetooth A2DPYesYes
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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 MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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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 capacity1350 mAh750 mAh
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Talk time5 h10 h
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Standby time250 h400 h
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