Siemens A31 vs i-mate JAMA
Siemens A31
i-mate JAMA
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2005-112007-6
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Status
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Design
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SIMMini-SIMMini-SIM
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Height102 mm106 mm
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Width46 mm52.5 mm
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Thickness17.6 mm15.6 mm
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Weight85 g110 g
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ColorsAnthracite, Ruby RedSilver
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Display
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Display typeCSTNTFT resistive touchscreen
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Physical size-2.4 inches
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Resolution128 x 128 pixels320 x 240 pixels
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Pixel density-167 ppi
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Display colors6656066560
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Hardware
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CPU0 MHz Samsung SC3 2442X 30
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Memory ROM-128 MB
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Internal storage1.5 MB-
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Memory RAM-64 MB
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Memory cardmicroSD
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic(32) ringtonesVibration; Downloadable polyphonic, MP3 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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USBminiUSB 1.1
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Bluetoothv1.2
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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 Instant Messaging-Instant Messaging
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Messaging Email-Email
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WAPWAP 1.2.1WAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 1.0MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity820 mAh1000 mAh
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Talk time5 h4 h
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Standby time270 h150 h
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OS
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OS-Microsoft Windows Mobile 5.0 PocketPC
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Main camera
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-No
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Browser
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HTML-HTML (PocketIE)
