Celkon A77 vs Micromax X55 Blade
Celkon A77
Micromax X55 Blade
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2012-122014-12
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Status2012-12
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
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Height118 mm118.2 mm
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Width61 mm51.4 mm
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Thickness13.5 mm10.3 mm
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Weight104 g
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ColorsBlack, WhiteGray
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches-
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Resolution320 x 420 pixels240 x 320 pixels
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Pixel density151 ppi-
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Display colors-262144
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Hardware
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CPU1 GHz
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v2.3 (Gingerbread)-
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Main camera
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraYesNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Connectivity
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WLANWi-Fi
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USBmicroUSB 2.0Yes
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BluetoothYesYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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WAP-Yes
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1300 mAh-
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Talk time4 h 45 min-
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Standby time130 h-
