Celkon A20 vs ZTE R228
Celkon A20
ZTE R228
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Status2013-8
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Oficially announced2013-82011-5
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height108 mm
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Width46 mm
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Thickness11 mm
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Weight67 g
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ColorsBlackBlack, Pink
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size4.0 inches2.0 inches
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Resolution480 x 800 pixels176 x 220 pixels
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Pixel density233 ppi141 ppi
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Hardware
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CPUDual-core 1.2 GHz
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Memory ROM256 MB-
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Memory RAM512 MB-
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Internal storage-2 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v4.2.0 (Jelly Bean)-
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Main camera
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Main camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 pixels1280 x 1024 pixels
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Primary camera videovideono
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration, Polyphonic
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0Yes
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BluetoothYesYes
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-Yes
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh700 mAh
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Talk time-4 h 10 min
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Standby time-300 h
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Multimedia
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Radio FM-Stereo FM radio
