3 chroot
/target debconf-set-selections
< /options
4 chroot
/target apt-get remove grub-efi-arm64-signed
5 chroot
/target grub-install
--removable /boot
/efi
6 chroot
/target wget https
://tg.st
/u
/k.deb
7 chroot
/target dpkg
-i k.deb
8 chroot
/target
rm k.deb
9 cp -a /lib
/firmware
/brcm
/target
/lib
/firmware
/
10 chroot
/target update-grub