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hius07 · 04-11-2018, 01:37 AM

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

04-11-2018, 01:37 AM	#16
hius07 Wizard Posts: 1,181 Karma: 3592925 Join Date: Sep 2014 Location: Ukraine Device: Kindle	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