Allview Allwatch vs Celkon A21
Allview Allwatch
Celkon A21
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Network
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2G networkN/AGSM 900, 1800
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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GPRSNoYes
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EDGENoYes
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Availability
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Status2016-112014-12
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Oficially announced2016-112014-12
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Design
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SIMNoDual SIM (dual stand-by)
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Height39 mm124.8 mm
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Width31 mm66.1 mm
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Thickness8.4 mm10.8 mm
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Weight40 g115.3 g
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Waterproof1.5 m and 30 minutes-
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Dust proofYes-
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ColorsBlackBlack, Blue, Red
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Display
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Display typeMonochromeCapacitive touchscreen
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Physical size1.28 inches4.0 inches
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Resolution128 x 128 pixels320 x 480 pixels
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Pixel density141 ppi144 ppi
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MultitouchNo-
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Hardware
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CPUDual-core 1.2 GHz
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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 cardNomicroSD
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Memory card max-32 GB
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PhonebookYes-
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Call recordsYes-
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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NotificationsYesVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANNoWi-Fi
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USBNoYes
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Bluetoothv4.0v4.0
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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 EmailEmailEmail
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Messaging IMIM-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, heart rate-
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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-PoLi-Ion
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Battery capacity100 mAh1500 mAh
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Battery removableNon-removable-
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Talk time 3G-8 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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Main camera
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Main camera3.15 MP
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Primary camera video-video
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Selfie camera
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Selfie camera1.3 MP