Alcatel OT-890D vs Celkon A77
Alcatel OT-890D
Celkon A77
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Network
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2G networkGSM 850, 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 announced2011-52012-12
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Status20112012-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height110 mm118 mm
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Width58 mm61 mm
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Thickness12.6 mm13.5 mm
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Weight100.7 g104 g
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ColorsGray, Orange, PurpleBlack, White
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Display
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Display typeTFT resistive touchscreenTFT capacitive touchscreen
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Physical size2.8 inches3.5 inches
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Resolution320 x 240 pixels320 x 420 pixels
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Pixel density143 ppi151 ppi
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Display colors262144-
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Hardware
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CPU420 MHz1 GHz
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Internal storage150 MB-
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Primary camera video320p@15fpsvideo
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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, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSStereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTML-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity1000 mAh1300 mAh
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Talk time6 h4 h 45 min
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Standby time400 h130 h
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