Hi everyone

Like many of us, older version of .nvm firmware generated frequent dropouts. Recently I came across an article which recommends updating of the .nvm firmware for WPA4220 and PA4010. I cannot update the firmware for WPA4220 because there is only the option to upload a .bin file on the web interface. I remembered that the older version of the web interface with the firmware that the kit came with allowed flashing of .nvm and .pib files but the latest versions don't. 

I then tried to find an earlier version of the .bin type firmware but downgrading is no longer allowed.

The question is, how can I bypass the restriction to forbid downgrading? It would be even better if I could just flash the .nvm file invidivually.

many thanks