BenQ-Siemens EF71 vs T-Mobile Sidekick
BenQ-Siemens EF71
T-Mobile Sidekick
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2006-52008-7
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Status
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Design
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SIMMini-SIMMini-SIM
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Height90 mm119 mm
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Width47 mm58 mm
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Thickness18.5 mm18 mm
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Weight100 g128 g
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Keyboard-QWERTY
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ColorsStellar AluminumBlack
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Display
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Display typeTFTTFT
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Physical size2.2 inches2.6 inches
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Resolution176 x 220 pixels240 x 400 pixels
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Pixel density128 ppi179 ppi
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Display colors26214466560
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Hardware
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Memory ROM-64 MB
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Internal storage24 MB-
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Memory RAM-128 MB
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Memory cardmicroSDmicroSD
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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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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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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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USBYesYes
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BluetoothYesv2.0
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Bluetooth A2DP-Yes
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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 Email-Email
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Messaging IM-IM
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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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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity750 mAh1030 mAh
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Talk time3 h5 h
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Standby time225 h216 h
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OS
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OS-Danger OS v4.7