Assume I am on the jailbroken device with 5.9.4 firmware and got uImage and rootfs.img from, say, 5.8.7.0.1 update bin. Will this script downgrade the firmware?
Code:
#!/bin/sh
dd if=/mnt/us/uImage of=/dev/mmcblk0 bs=4096 seek=65
dd if=/mnt/us/rootfs.img of=/dev/mmcblk0p1 bs=4096