Alcatel OT-252 vs Celkon A77
Alcatel OT-252
Celkon A77
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Status2010-62012-12
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Oficially announced2010-22012-12
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height100.5 mm118 mm
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Width58 mm61 mm
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Thickness12 mm13.5 mm
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Weight104 g
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KeyboardQWERTY-
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ColorsBlackBlack, White
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size1.8 inches3.5 inches
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Resolution160 x 128 pixels320 x 420 pixels
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Pixel density114 ppi151 ppi
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Display colors66560-
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Hardware
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CPU1 GHz
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Internal storage-
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Memory cardmicroSD
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Memory card max-32 GB
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Sound
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3.5mm jackNoYes
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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 FMFM radio with RDSStereo FM radio
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Connectivity
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WLANWi-Fi
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USBYesmicroUSB 2.0
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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JavaNoYes, via Java MIDP emulator
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Browser
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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity500 mAh1300 mAh
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Talk time5 h4 h 45 min
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Standby time400 h130 h
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OS
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OS-Android OS, v2.3 (Gingerbread)
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Main camera
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Main camera2 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-Yes
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