if you can follow an instruction carefully enough, you can follow the instruction on sd setup to "manually downgrade with pc"
i did this yesterday for my wife who updated to 8.0 without Backup. even though it mentions that you could lose all of your saves, everything was still there
i did this yesterday for my wife who updated to 8.0 without Backup. even though it mentions that you could lose all of your saves, everything was still there