Celkon A77 vs Samsung Focus S I937
Celkon A77
Samsung Focus S I937
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 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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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2012-122011-9
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Status2012-122011-11
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height118 mm126 mm
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Width61 mm66.8 mm
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Thickness13.5 mm8.5 mm
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Weight104 g110.6 g
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ColorsBlack, WhiteBlack
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Display
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Display typeTFT capacitive touchscreenSuper AMOLED Plus capacitive touchscreen
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Physical size3.5 inches4.3 inches
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Resolution320 x 420 pixels480 x 800 pixels
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Pixel density151 ppi217 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz1.4 GHz Scorpion
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Memory RAM-512 MB
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Internal storage-16, 32 GB
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Memory cardmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v2.3 (Gingerbread)Microsoft Windows Phone 7.5 Mango
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideo720p
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraYes-
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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, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio with RDS
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Connectivity
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WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0microUSB 2.0
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BluetoothYesv3.0
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSNoYes, 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 IMIMIM
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Messaging Push Email-Push Mail
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.1
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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 capacity1300 mAh1650 mAh
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Talk time4 h 45 min6 h 30 min
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Standby time130 h250 h
