Hi, Im Mac(of corse). I just got an Apad I bought online and wanted to upgrade it. The person I bought it from said he got it 2 months ago so its oooooolllddd. I know the model number is skdDemo Frimware is 1.5 Kernel version is 2.6.25 with the rockchip at version 1.2.7 and it also says ruiguan And build number is RK-1.3.2.eng.root.20100512.140303 What should I do to it and how???