Long story short, my iPhone 4 was stolen a week after I got it last June, and miraculously the police found it and returned it to me this week. When I turn it on it goes into recovery mode. I of course tried to restore using iTunes (10.2.2-12) and the latest iOS firmware. No luck. I initially got error code 2001, then 2006. In recovery mode I always get one of those two erros. Next I tried putting it on DFU mode and doing the restore. Same thing but with error code 1611. In DFU mode I always get error 1611. Any suggestions on what to try? I have no idea what the thief did to the phone. It was an AT&T phone stolen in Europe, so I suspect they tried to jailbreak/unlock it and failed. Is it possible it's totally bricked, or are there more advanced ways to restore it?