Celkon A27 vs ZTE Optik
Celkon A27
ZTE Optik
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Network
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2G networkGSM 900, 1800CDMA 800, 1900
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3G networkHSDPA 2100CDMA2000 1xEV-DO
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HSDPA speedHSDPA-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-22012-2
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Status2013-22012-2
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height193 mm
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Width119.4 mm
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Thickness13.2 mm
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Weight400 g
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ColorsBlack, Blue, WhiteBlack
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size4.63 inches7.0 inches
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Resolution480 x 853 pixels800 x 1280 pixels
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Pixel density211 ppi216 ppi
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Hardware
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CPU1 GHz1.2 GHz Dual-core Scorpion
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Chipset-Qualcomm MSM8660 Snapdragon
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Memory RAM-1 GB
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Internal storage-16 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, v4.0 (Ice Cream Sandwich)Android OS, v3.2 (Honeycomb)
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Main camera
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Main camera8 MP5 MP
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Primary camera resolution3264 x 2448 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraYes-
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Selfie camera2 MP
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Sound
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3.5mm jack-Yes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, Polyphonic, MP3 ringtonesN/A
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Multimedia
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Radio-No
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Radio FMFM 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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USBYesmicroUSB 2.0
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BluetoothYesv2.1
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Bluetooth A2DP-Yes
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Bluetooth EDR-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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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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HTML-HTML5
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BrowserYes-
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh4000 mAh
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Battery removable-Non-removable
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Talk time6 h-
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Standby time180 h-
