I've been going round in circles for the last hour trying to update my iphone 4 to 4.3.3, i've downloaded redsn0w and also iphone3,1_4.3.3_8J2_Restore.ipsw
Trouble is i dont know what to do with them.
Do I need to have itunes 10.2.2???
I've tried using the shift + click on the update button...