Basic InformationModelGT-H7100Band2G: GSM 850/900/1800/1900MHz3G: WCDMA 850/1900/2100MHz(IMT-2000)Sim CardDual SIM Card Dual StandbyService ProvideUnlockedStyleBarColorWhiteShell MaterialPlasticSystemOSAndroid 4.1.1CPUMTK6577 Cortex A9 dual core 1.0GHzROM2GBRAM512MBScreenDisplay Size5.3 InchTypeTFT, capacitive touch screenResolution960 x 540 pixelsScreen Color260K ColorsSupport FormatRingtones TypePolyphonic/MP3Audio File FormatMP3/WAV/AMR/AWBVideo File Format3GP/MPEG4Image File FormatJPEG/BMP/GIF/PNG/GIFE-book FormatTXT/CHM/DOC/HTMLFM RadioYes, earphone neededEarphone Port3.5mmCard ExtendSupport TF card up to 16GB extendedData Transfer & ConnectivityData transferUSB/BluetoothMobile internetWAP/WIFIGeneral Camera/Picture ResolutionDual Cameras, front camera: 0.3MP, back camera: 8.0MP with flashlight and auto focus, up to 3264×2448 pixels resolution Phonebook500MessageSMS/MMSInputHandwrite/KeypadTVNoGPSYes, built in, support A-GPSWith EPO assistance to speed up postioningWIFIYes, 802.11 b/gBluetoothBluetooth 2.0Gravity SensorYesMulti-TouchYes, 5 point touchDimensions147 x 77 x 10mmNet Weight(Including battery)185gStandby TimeAbout 2~3 daysOther Feature3G, GPS, Play Store, Messaging, VPN Services, Flash Player, WiFi, Bluetooth, navigation, Email, Gmail, FM, wallpapers, calendar, calculator, clock, camera, tethering & portable hotspot, etc Weight450gAccessories2 x 2800mAh Batteries1 x 3.5mm Earphone1 x USB Cable1 x Charger1 x User Manual(English, Russian, Spanish, German