i-mobile 638CG vs verykool i277
i-mobile 638CG
verykool i277
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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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EDGE
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Availability
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Oficially announced20092014-12
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Status2014-12
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height113 mm111 mm
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Width51 mm53 mm
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Thickness14.5 mm12.7 mm
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Weight96.4 g
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ColorsBlackBlack, Blue
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Display
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Display typeTFTTFT touchscreen
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Physical size2.4 inches3.0 inches
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Resolution240 x 320 pixels240 x 400 pixels
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Pixel density167 ppi155 ppi
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Display colors262144-
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Hardware
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Internal storage25 MB-
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Memory cardmicroSDmicroSD
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Memory card max8 GB8 GB
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Main camera
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Main camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 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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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLAN
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USBYes1.2
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BluetoothYesv2.0
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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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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JavaNoYes
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Java MIDP-MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1050 mAh-
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Talk time8 h 30 min5 h
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Standby time400 h168 h
