On the kindle that would rather be
Code:
nc 192.168.15.201 5555 | dd of=/dev/mmcblk0p1 bs=4K
I would go as far as saying that even piping via SSH should work. So that would trim down to just doing
Code:
ssh root@KINDLE dd of=/dev/mmcblk0p1 bs=4k < mmcblk0p1.img
on the host PC.