Lost in the sauce

I tried to jailbreak my atv2 last week with firmware 4.3 on it and got error codes 1600 and 1611.  Eventually I gave up and just plugged it back into my tv but it said to connect it to itunes.  So i tried to restore it with official firmware but got the same 1600 and 1611 errors.

Well apple said send it back to them and they sent me a new one free of charge.  This one has 4.2.2 on it.  Im scared to try this again because I doubt apple would send me a second one. 

But if I do work up the courage to attempt this again should I leave it on 4.2.2 or update it to 4.3 before jailbreaking with seasonpass?  I know seasonpass uses the newest firmware so not sure if it really matters or not.  I tries everything to avoid getting the 16XX errors: new usb cords, unplugging everything, and trying the method with the powercord plugged in.

I have no idea what tiny umbrella is and if I should use it.  But any other tips tricks or advice would be greatly appreciated.