I tried to restore my 4.3.3 but that was a no go. Now I'm on 4.3.5 and trying to downgrade. I put the ipad into DFU mode, then I ran TU in the background with TSS on, and requested the shsh from cydia. I opened up ports 80 and 443. Then ran itunes restore. It got to about 99% and threw me error 1013. Am I doing something wrong cause this is really starting to piss me off.