Pantech U-4000 vs Samsung A837 Rugby
Pantech U-4000
Samsung A837 Rugby
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkUMTS 2100HSDPA 850, 1900
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HSDPA speed-HSDPA
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2006-112008-9
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Status
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Design
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SIMMini-SIMMini-SIM
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Height95 mm100 mm
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Width43 mm52 mm
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Thickness16.5 mm23 mm
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Weight92 g132 g
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ColorsSilver blackRed on Black, Yellow on Black
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Display
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Display typeTFTTFT
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Physical size1.9 inches2.0 inches
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Resolution176 x 220 pixels176 x 220 pixels
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Pixel density148 ppi141 ppi
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Display colors266240262144
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Hardware
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Internal storage30 MB128 MB
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Memory cardmicroSDmicroSD
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Main camera
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Main camera1.3 MP1.3 MP
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Primary camera resolution1280 x 1024 pixels1280 x 1024 pixels
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Primary camera videovideo176x144@15fps
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Selfie camera
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Secondary cameraVGA 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, 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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USB2.02.0
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Bluetoothv1.1v2.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS
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GPS Navigator-AT&T Navigator
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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 AMS-AMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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WAPWAP 2.0/xHTMLWAP/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.1
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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 time-5 h
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Standby time-250 h
