I assume you're referring to ROMDump on dosdude1's site. I tried downloading that, but Symantec Endpoint Protection (SEP) complained that it had several trojans in it. I wonder if SEP is wrong or if dosdude1's site got hacked. --- Post Merged, Sep 14, 2018 --- I did a quick read through the thread. It looks like tsialex's instructions for successfully downgrading. However, I never saw anything mentioning using Firmware Restoration CD 1.8 or why that doesn't work.