VU+ SOLO problem with usb update

[wick3d]

hello. i installed vti image on vu+ solo with usb. it worked fine but when i turned off and on the receiver it didnt boot.
i loaded the bootloader and again the vti image and i starter normally but when i turn off i have the same problem.
can please someone help me with this issue?

[hda5]

What happens if you try installing a different image?

[wick3d]

works normally with blackhole.