It is a very old jailbreak: Ye Olde Gaolbreak! One had to bribe the town constable with a ha’penny and a pint of mead just to install a third-party reading app. Dost thou even root, sir?
Gawdamn, whatever happened to a respectable old Mediatek vulnerability being exploited by a suspicious app on ya computer that called itself something funny like Kingoroot?
(Sidenote but I'm still impressed that thing would work without giving my computer half a dozen viruses)