Celkon A402 vs Panasonic T31
Celkon A402
Panasonic T31
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 2100HSDPA 850, 1900, 2100
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HSDPA speed-HSDPA, 21 Mbps
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HSUPA speed-HSUPA, 5.76 Mbps
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Speed YesYes-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-62013-10
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Status2015-62013-10
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Design
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SIMDual SIMDual SIM (Mini-SIM, dual stand-by)
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Height125.5 mm122 mm
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Width64 mm64.4 mm
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Thickness10.2 mm11.2 mm
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Weight104 g120 g
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ColorsBlack, Blue, Silver, WhiteBluish Black, Pure White
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size4.0 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density233 ppi233 ppi
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Display colors-16777216
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Hardware
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CPU1.2 GHz1.3 GHz Dual-core
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ChipsetSpreadtrum 7715Mediatek MT6572M
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GPUMali-400Mali-400
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Memory RAM512 MB512 MB
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Internal storage4 GB4 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v4.2.2 (Jelly Bean)
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideo720p@24fps
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Primary camera flashLED flash-
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Camera featuresYes-
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Selfie camera
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Secondary camera-VGA camera
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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; MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Mail
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer-
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2000 mAh1300 mAh
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Talk time--
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Talk time 2G-3 h 30 min
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Talk time 3G-9 h 30 min
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Standby time--
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Standby time 2G-510 h
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Standby time 3G-400 h