I successful rooting Cube U9GT_S. These step below as: 1. Update firmware of Cube U9GT_S to 1.01: Link firmware U9GT_S v1.01: wendal_new.img +After download this firmware, turn off your Cube U9GT_S +Press and hold M key on Cube U9GT_S until your PC detected U9GT_S as rk2918 devices. +Insert mini USB cable to Cube U9GT_S, then Connect USB cable to PC +Install driver for Cube U9GT_S (Driver include in firmware folder) +Run Rockchilp patch tool v1.4 and browse to firmware folder, then chose wendal_new.img +When item Connected devices is flashing (notify PC connected to Cube U9GT_S, press button Upgrade to Update firmware for it. 2. After that, copy gingerbreak v1.2 to your android and run it to rooting... Link gingerbreak v1.2: yijianRoothanhuaban_GingerBreak__mumayihanhua__V1.2_mumayi_68c79_(1).rar (Notes:Firmware 1.01 update User Interface to android 3.0) If you can not get driver and rockchip patch tools, please go to homepage of Cube to download a firmware of U9GTS: http://www.51cube.com/tools.asp or link http://www.51cube.com/download/soft3/U9GTS1.01.rar It include all driver and Rockchip patch tools for U9GT_S I hope anyone can root success cube U9GT_S Thanks!