Celkon A77 vs Micromax Bolt A066
Celkon A77
Micromax Bolt A066
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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 announced2012-122014-5
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Status2012-122014-5
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height118 mm
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Width61 mm
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Thickness13.5 mm
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Weight104 g
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ColorsBlack, WhitePristine White, Raging Red, Smokey Grey, Tranquil Green
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches3.5 inches
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Resolution320 x 420 pixels320 x 480 pixels
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Pixel density151 ppi165 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz1.3 GHz Dual-core ARM Cortex-A7
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Chipset-Mediatek MT6571
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GPU-Mali-400
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Memory RAM-512 MB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.3 (Gingerbread)Android OS, v4.4.2 (KitKat)
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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 videovideo480p
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Selfie camera
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Secondary cameraYesVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV 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-FiWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv4.0
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GPSNoNo
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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 Email-Push Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Sensors-Accelerometer, proximity
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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 capacity1300 mAh1300 mAh
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Talk time4 h 45 min6 h
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Standby time130 h160 h