Alcatel OT-355 vs Karbonn A4
Alcatel OT-355
Karbonn A4
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Network
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2G networkGSM 850, 1900GSM 850, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2011-22013-3
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Status2011-32013-3
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height103 mm124.8 mm
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Width58 mm66 mm
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Thickness12.1 mm9.5 mm
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Weight80 g75 g
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KeyboardQWERTY-
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ColorsCherry red, Cyber blue, SiverWhite/Black
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size1.8 inches4.0 inches
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Resolution160 x 128 pixels320 x 480 pixels
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Pixel density114 ppi144 ppi
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Display colors66560262144
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Hardware
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CPU52 MHz
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Internal storage0.7 MB256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max4 GB32 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMFM radio with RDSFM radio
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Connectivity
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WLANWi-Fi
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WLAN WiFi Hotspot-Yes
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USBYesYes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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WAPWAP 2.0/xHTML-
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JavaNoYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity650 mAh1400 mAh
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Talk time9 h4 h 20 min
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Standby time450 h250 h
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OS
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OS-Android OS, v2.3.6 (Gingerbread)
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Browser
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HTML-Yes
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