Flash a xavier nx 8g jetpack-5.1.2 but got error: Return value 8

We have a problem with jetpack5.1.2 according to this topic: Video stream crashes in jetpack 5.1.1 xavier nx - #13 by EmondCai ,
so we followed your instruction to update firmware to try to solve it. Due to our program runs on SSD, do you mean we only need to update the firmware on EMMC?