Thanks for the tutorial, I too am sticking only to 2.11 patch. I do see there is a pattern from my save game but I've tried "nullifying" data which didn't actually work. So this screenie was what it was before I "nullified" those areas:
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All my B-spec drivers (6 of them) were set to online prior to 2.12 patch and I'll never agree to updating to 2.12 patch nor will I be tempted to buy another region of the same game just to be able to keep those "purists" happy.
Anyway I've summed down that there are two parts you have to modify based on your tutorial. Instead of 04 07 81 9{4,5} 01 XX mine seems to be 04 07 81 AF 01 XX. There were six of those matching that exact same pattern so I guess it would be safe to say that they were the six B-spec drivers. I've nullified those six, made them 04 07 81 AF 01 00 instead of 04 07 81 AF 01 01.
The second part gets a bit muddy for me. In my case where there's a matching string of 00 00 00 it appears to be F130 offset (for the first one). I see D5 17 {B9,BC,BD,..}. As I have all of my B-spec drivers shared I cannot compare them with an offline B-spec driver. Though taking in what you said in which to nullify three bytes high hex numbers along with what was need to be done in the first part (which is just nullifying one byte) it seems to have not made any effect to my B-spec drivers. All my B-spec drivers still remains to be set online still even though when I'm still offline.
Any hints? T.I.A