Hi, the tablet start, but its break, I fail to pass the white screen ICOO. When i run Rockchip Batch Tool in upgrade mode: the error say: Prepare IDB Fail. When im run in restore mode say the same... Im tested in 2 different computer, im tested with 3 different micro usb cable. I dare open it if necessary, but do not know how to repair it... Really im tested all. Very thanks !