Originally Posted by TizzyT
Hmm just looked at the update...its apparently optional and those on 3.73 or later don't need to install this. So I'm guessing keys are the same. I see nothing about security patches so I am still betting that KaKaRoToKS exploit still works on this 4.0 update.
I just got the 3.73 pup and still got asked to update to 4.0 when trying to sign in to the PSN. I guess optional to S**Y means: 3.73 stays offline or we give you the option of 4.0 and online services lol