Quattro firmware

[sjohnson (sean)]

emphasized text i have 2 new quattro inverters wiring for 220 i updated firmware but they dont update to same version so cannot use in split phase can i manually down same firmware to make match

[lxonline (LX)]

@sjohnson

but they dont update to same version

That is odd.
Do they have the same chip number and are the same model?

You you can downgrade. If you have the older firmware file.