... RAM+ROM 512MB+4GB 3.OS: android 4.1 4.8MP Camera 5.4.5 inch Touch Screen Resolution: 854x480 ... 6577 1.0GHz dual CoreOperation SystemAndroid 4.0.4RAM512MBROM4GBStorage ExternalSupport TF Card up to 32GBScreen4.5 inch Touch Screen Resolution: ... Browser, Ebook, Email, Messaging, VPN Services, Google search, Documents to go, wallpapers, calendar, calculator, clock, tethering & portable hotspot,camera ...