Celkon A77 vs Pantech S902
Celkon A77
Pantech S902
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2012-122010-11
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Status2012-122010-11
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height118 mm105.2 mm
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Width61 mm51.8 mm
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Thickness13.5 mm12.9 mm
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Weight104 g104.4 g
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ColorsBlack, WhiteBlack, Gold, White
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches3.0 inches
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Resolution320 x 420 pixels240 x 400 pixels
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Pixel density151 ppi155 ppi
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Display colors-262144
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Hardware
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CPU1 GHz
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Memory cardmicroSDmicroSD
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Memory card max32 GB-
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OS
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OSAndroid OS, v2.3 (Gingerbread)-
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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 videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraYesNo
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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(64), MP3 ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi
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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 MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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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 mAh-
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Talk time4 h 45 min3 h
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Standby time130 h314 h
