Onda V819 mini is a ARM quad-core CPU 7.9 inch IPS display mini Pad. Now the Google Android 4.4.2 KitKat operating system is availabe on this tablet! Pictures are for reference only. We do not recommend you to upgrade your device if there is nothing wrong with it. And all risks at your own. We do not reponsible for any damges might happen to your tablet! Note: 1).To download the files from vmall website, please click the first blue button; How to upgrade: 1).Download t……