Remove cover of the garage remote.
Take out cover and take out the PCB of the garage remote.
Connect garage remote PCB with key tool plus via remote programming cable
Select Special Function-> VVDI remote function-> Garage door key customization
Read remote frequency, it is 868mhz
Press the value that need to be changed, i.e 433MHz
Press settings to complete the modification
Read xhorse garage remote information again, the frequency now goes to 433MHz.
If have vvdi key tool max or max pro, follow the procedure here. They are actually the same.