How to root any #Allwinner device running Android and most of the C…

How to root any #Allwinner device running Android and most of the Chinese “Pi” clones https://olimex.wordpress.com/2016/05/10/how-to-root-any-allwinner-device-running-android-and-most-of-the-chinese-pi-clones-which-bet-on-allwinner-android-linux-kernel/ none exist?