Recent posts have succeeded in confusing me. I thought I was on the right track but now I just don't know.
Am I able to use my SHSH on file and make the move from 3.1.3 to 4.01. Does spirit make it a no-go?
If that is the case, what did spirit do that prevents my moving to ios4?

Am I able to use my SHSH on file and make the move from 3.1.3 to 4.01. Does spirit make it a no-go?
If that is the case, what did spirit do that prevents my moving to ios4?