when i ran TU error 1600 pops out.. i hope that fixrecovery 4.xxcan support ipad2 GSM 4.3.5 model.. so we can kick out our ipad when error 1013 pops out
You should NOT be using TinyUmbrella if you are trying to restore 4.3.5. This is the REASON you are getting a 1600 error. You NEVER use TinyUmbrella to restore the current IOS firmware (which is 4.3.5 at this minute).