Dont update!!!!!!
Author: Tizocman // Category:iTunes Failing to recognize the iPhone in DFU Mode (and in add it says “iPod”)
I’ve also informed the DevTeam and if they will release a patch, we will inform you!
Update: This is what MuscleNerd replyed about a fix for this problem:
The simplest workaround I’ve heard of for the DFU issue is to copy one or two of the 10.5.5 frameworks files over the newer ones.
TIZOCMAN