How to restore the klipper version
Insert the TF card into the USB card reader and then into the computer
Windows input cmd，enter，input diskpart enter
Enter in sequence
list disk
select disk 1（The disk number of your USB drive）
clean
create partition primary
format fs=fat quick（Format as fat file system）
Download the tool win32diskimager
https://drive.google.com/drive/folders/1QZWyLRD54-_v2Jlj_8wlOD_qZ2f-CPBT
Download the image
Follow the step，Unzip the image file
Confirm the burning and wait for the burning to complete
If you have already made an SD card, please use a card reader to connect it to the computer. At this time, the computer should pop up the resource manager and have a "removable disk BOOT". If it does not appear, please unplug the SD card and insert it into the computer again.
Open FLY-Config.conf under the BOOT disk
KlipperScreen=true，if you want mainsail，UI=mainsail
Display=HDMI
Save the config