thanks everyone for their feedback. I ended up backing up internal emmc drive and disklabel dd if=/dev/rsd1c of=emmc_4G_backup/factory_linux.img bs=8225280 count=481
next step is install on internal drive. New question, is there a way to mount Squashfs filesystem on OpenBSD? file /mnt/squashfs.img /mnt/squashfs.img: Squashfs filesystem, little endian, version 4.0, 18463067392 bytes, 31682 inodes, blocksize: 4 bytes, created: Sat Dec 5 04:28:48 2015
