| Solution:
1 - Update your itunes to the newest version
2 - Download the 3.0 firmware to somewhere on your computer
3 - Go to iTunes and restore the 3.0 OS (click on shift+restore)
4 - Once its done, use Redsn0w.
Follow the instruction from redsn0w...it should be fine
I had the same problem and this is what I did... works fine now
Good Luck |