Z9S brick.. Help Please

have a nice day
z9s 1.78 failed while returning to software. stuck on the boot screen. install img is not installed again. up stays on the screen. What should I do.

 

Have a look here:

https://jjm2473.github.io/nas/2020/08/26/rtd129x-unbrick.en.html

This guy knows everything there is to know about unbricking these devices.

 

Thanks.
Will all be done?

 

Is there a video or more details?

 

This document might help:

 

I will use the rescue system ?

Very thanks.

 

Thanks thanks thanks..
Restore FWTABLE Signature

 

Fantastic!!!!