Celkon A77 vs LG Optimus S
Celkon A77
LG Optimus S
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G network-CDMA2000 1xEV-DO
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EV-DO speed-153.2 kbps
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GPRSYes
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EDGE
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Availability
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Oficially announced2012-122010-10
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Status2012-122010-12
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height118 mm114 mm
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Width61 mm59 mm
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Thickness13.5 mm13 mm
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Weight104 g130 g
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ColorsBlack, WhiteGray
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches3.2 inches
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Resolution320 x 420 pixels320 x 480 pixels
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Pixel density151 ppi180 ppi
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Display colors-16777216
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Hardware
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CPU1 GHz600 MHz
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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, v2.3 (Gingerbread)Android OS, v2.2 (Froyo)
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideo480p
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraYesNo
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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 ringtones
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Multimedia
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0Yes
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BluetoothYesv2.1
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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 Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 mAh1500 mAh
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Talk time4 h 45 min5 h
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Standby time130 h200 h
