Qtek 8100 vs Siemens A31
Qtek 8100
Siemens A31
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20052005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height107 mm102 mm
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Width47 mm46 mm
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Thickness19 mm17.6 mm
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Weight106 g85 g
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ColorsStylish black and silverAnthracite, Ruby Red
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Display
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Display typeTFTCSTN
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Physical size2.2 inches-
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Resolution176 x 220 pixels128 x 128 pixels
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Pixel density128 ppi-
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Display colors6656066560
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Hardware
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CPU200 MHz ARM ARM926EJ-S
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ChipsetTI OMAP 730-
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Memory RAM32 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 Smartphone 2003 SE-
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Main camera
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Primary camera resolution640 x 480 pixels-
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Primary camera videovideo-
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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 ringtones, composerVibration; 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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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 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 MIDP-MIDP 1.0
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Languages8-
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Browser
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HTMLHTML (PocketIE)-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1050 mAh820 mAh
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Talk time4 h 30 min5 h
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Standby time140 h270 h
