Celkon C770 Dj vs Micromax Bolt A51
Celkon C770 Dj
Micromax Bolt A51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkYesHSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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Speed YesYes-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122013-4
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Status2013-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height118 mm118.5 mm
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Width52 mm62.5 mm
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Thickness12.9 mm12.8 mm
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Weight118 g
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ColorsBlack/RedBlack/Silver
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Display
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Display typeTFTTFT touchscreen
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Physical size2.4 inches3.5 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density167 ppi165 ppi
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Hardware
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CPU832 MHz
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Memory ROM-512 MB
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Memory RAM-256 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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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 videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoVGA 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, 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 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesYes
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BluetoothYesv3.0
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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 Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1350 mAh1500 mAh
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Talk time9 h 10 min4 h 30 min
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Standby time350 h140 h
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OS
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OS-Android OS, v2.3.7 (Gingerbread)
