>dd it to /dev/rdl0. (ld1 *should* be your SD card, ld0 *should* be your eMMC).
I'm wondering if there is a typo in here????
>I worry that Manjaru updates will automatically update U-Boot
AFAIK, only mrfixit actually writes to 1st 16M
Manjaro dumps idbloader and uboot.itb into /boot, for you to do the dd commands
OTOH, an update of dtb which comes with a new kernel can mess things up
I'm wondering if there is a typo in here????
>I worry that Manjaru updates will automatically update U-Boot
AFAIK, only mrfixit actually writes to 1st 16M
Manjaro dumps idbloader and uboot.itb into /boot, for you to do the dd commands
OTOH, an update of dtb which comes with a new kernel can mess things up