It´s not recommend to downgrade MCU from QF03 to QF01 because you can brick your unit.ok friends, aktually the qf003 version is still running, but for my safety is will downgrad to the qf001 version, i think its better for my version. tomorrow i will answer more questions, aktually i am on the road. but i have still the problem that my side touch bar doesnt work. the touchscreen is working well!!