Unbrick hdmi video capture box and u-boot access

I show how to get uboot access and include firmware to recover your hdmi box or update it
this box is also viewhd vhd-hvr ,so if your board looks the same its possible my firmware will work on it.
My firmware has option to disable hdcp its version 1.1.5.0
package link:drive.google.c...
software links:
Tera term=osdn.net/proje...
asprogrammer=github.com/nof...
asprogrammer is included in package as well.
hardware in video
www.banggood.c... //ch341 bios reader
www.banggood.c... // usb to serial
www.banggood.c... //hd video capture