BLU Tattoo S vs Celkon A20
BLU Tattoo S
Celkon A20
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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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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-32013-8
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Status2013-32013-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height102 mm
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Width57.8 mm
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Thickness8.3 mm
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Weight69 g
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KeyboardQWERTY-
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ColorsBlue, Grey, Pink, SilverBlack
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.0 inches4.0 inches
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Resolution176 x 220 pixels480 x 800 pixels
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Pixel density141 ppi233 ppi
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Display colors262144-
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Hardware
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CPUDual-core 1.2 GHz
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Memory ROM64 MB256 MB
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Memory RAM64 MB512 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera1.3 MP3.15 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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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 FMFM radio-
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Radio antennabuilt-in antenna-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBYesmicroUSB 2.0
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Bluetoothv3.0Yes
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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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Messaging IMIMIM
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Messaging Push Email-Push 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 capacity620 mAh1500 mAh
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Talk time10 h-
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Standby time500 h-
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OS
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OS-Android OS, v4.2.0 (Jelly Bean)
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Browser
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HTML-Yes
