iPhone dumping shsh blobs, and aptickets

[aPple nErd]

ok so i dumped my iPhone 4 blobs and apticket, then when i try to reinstall 5.1.1, in redsn0w it comes with the error "mismatched apticket"

what am i doing wrong? its a verizon iPhone 4 on 5.1.1

 

[TriJetHero]

If you got to 5.1.1 by doing an Over The Air update with your device you will get a mismatch.

 

[aPple nErd]

If you got to 5.1.1 by doing an Over The Air update with your device you will get a mismatch.

but its a4 so it doesn't matter, does it? my question is, can i re restore to 5.1.1?