Brand / Model :I9300Network :2G Network: Quad-Band GSM/GPRS/EDGE2G: GSM 850/900/1800/1900MHzPhone Unlocked :UnlockedSystem:Android 4.0.8Dual SIM Card Slot :Two SIM Card online at the same timeFlash:SupportGPS:A-GPS receiverA-GPS :YESWi-Fi :802.11 b/gCPU & Speed :MediaTek latest Generation dual core MT 6575 + Cortex A9 IGHzBuilt In Memory :512MB SDRAM, 256MB Flash ROMMemory :Support to extend to 16GB maxBattery Pack :Rechargeable Li-ion battery 1500mAhTalk time :About 60-90 MinutesDimensions :4.7"*2.5"*0.42" 122mm * 63mm * 11mmweight :4.6OZ 130g (with battery)Screen :Full touch PDAwith 480*800 resolutionLanguage:English, German, French, Spanish, Italian, Portuguese, Russian, Turkish, ไทย etc.Ring tone :Ring tone format: MP3, MP4, MIDI, WAV, AMRCamera :Front Camera with 0.3MegapixelsBack Camera with 3.0 Megapixels, and Flash Light, Support Video Shooting with SoundPhone Book Directories :depends on storageMusic Player :Support MP3, .WMA, .WMVVideo Player:Support MP4, .3GPE-Book Reader :Support TXT, .PDFPicture Viewer :Support JPG, .BMP, .GIFInternet :Support GPRS, WAP 2.0, EDGEMassage :Support SMS, MMSExpansion Card Slot :Support Micro SD / T-Flash, Max 16GBEmail :IMAP4/POP3/SMTPBluetooth 2.0 :Support Data Transfer and A2DPUSB Data Transfer :Support USB 2.0FM Radio :Built-InColor :White or BlackWarranty :One Year