Alcatel OT-605 vs Celkon A21
Alcatel OT-605
Celkon A21
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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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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2012-82014-12
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Status2012-82014-12
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Design
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SIMMini-SIMDual SIM (dual stand-by)
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Height98 mm124.8 mm
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Width54 mm66.1 mm
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Thickness12.7 mm10.8 mm
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Weight115.3 g
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ColorsCherry Red, RavenBlack, Blue, Red
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Display
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Display typeTFT resistive touchscreenCapacitive touchscreen
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Physical size2.4 inches4.0 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density167 ppi144 ppi
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Display colors262144-
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Hardware
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CPU104 MHz1.2 GHz Dual-core
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Chipset-Mediatek MT6582
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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 max8 GB32 GB
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels-
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), 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
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USBmicroUSB 2.0Yes
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Bluetoothv2.1v4.0
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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 Email-Email
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WAPWAP 2.0/xHTML-
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JavaNoYes, via Java MIDP emulator
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity850 mAh1500 mAh
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Talk time7 h 40 min-
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Talk time 3G-8 h
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Standby time560 h-
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Standby time 3G-120 h
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OS
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OS-Android OS, v4.2.2 (Jelly Bean)
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Browser
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HTML-Yes
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