Sadly, that process didn't work for me.
I've tried to run the cIOS 249 installer, but it won't let me press A.
I ran the cIOS uninstaller 1.1, and got rid of IOS249.
Installed Waninkoko's cIOS rev7 successfully, and retried the cIOS249 installer, but still no luck.
If it helps, I'm running...