Is there anobody who actually knows how to backup or load a different firmware into the pw106 board?

I have a firmware here but i'd like to try other if possible.

Just for information are your fw able to do a 16:9 ratio?

my choices are 1:1, 4:3 and full stretch. I'm not able to have a 16:9 neither a 16:10 (this one unless i stretch of course)

I'm from italy so i'm confident your controller could have different embedded fw.

thanks for your infos!