Samsung Z100 vs Siemens A31
Samsung Z100
Siemens A31
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkUMTS 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20032005-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height95 mm102 mm
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Width50 mm46 mm
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Thickness26 mm17.6 mm
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Weight124 g85 g
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ColorsMetallic SilverAnthracite, Ruby Red
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Display
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Display typeTFTCSTN
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Physical size7 lines-
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Resolution128 x 160 pixels128 x 128 pixels
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Display colors26214466560
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Hardware
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Internal storage-1.5 MB
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Memory card
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Main camera
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Primary camera resolution352 x 288 pixels-
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Primary camera videono-
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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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LoudspeakerNoYes
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NotificationsVibration; Downloadable polyphonic 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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USB
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Bluetooth
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMSEMS
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Messaging MMSMMSMMS
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WAPWAP 1.2.1WAP 1.2.1
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JavaYesYes
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Java MIDP-MIDP 1.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity850 mAh820 mAh
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Talk time4 h5 h
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Standby time110 h270 h
