root@OpenWRT:~# wget http://coppercore.net/~kevin/fon/openwrt-ar531x-2.4-vmlinux-CAMICIA.lzma
root@OpenWRT:~# mtd -e vmlinux.bin.l7 write openwrt-ar531x-2.4-vmlinux-CAMICIA.lzma vmlinux.bin.l7
root@OpenWRT:~# reboot