Alcatel OT-838 vs Micromax Bolt A51
Alcatel OT-838
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 network-HSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-42013-4
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Status2012-62013-4
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Design
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SIMMini-SIMDual SIM
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Height115 mm118.5 mm
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Width61 mm62.5 mm
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Thickness12.5 mm12.8 mm
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Weight101 g118 g
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KeyboardQWERTY-
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ColorsBlack, Lavender, Ocean Blue, 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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Resolution320 x 240 pixels320 x 480 pixels
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Pixel density167 ppi165 ppi
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Display colors262144-
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Hardware
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CPU208 MHz832 MHz
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Memory ROM-512 MB
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Internal storage2 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; MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v3.0
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Bluetooth A2DPYes-
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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 IMIMIM
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Messaging Push EmailPush EmailPush Email
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1500 mAh
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Talk time7 h4 h 30 min
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Standby time530 h140 h
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OS
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OS-Android OS, v2.3.7 (Gingerbread)
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Browser
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HTML-Yes
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