You can't. There is no going back, only forward. Check here for the answer How_do_you_downgrade_an_itouch=
there is no way to downgrade your itouchs software
as far as i know you cannot downgrade at all.
http://answers.yahoo.com/question/index?qid=20080922172238AA2fQ6m
Downgrade your 3.1.3 firmware to 3.1.2, then use Blackra1n or Redsn0w.
Because you have the ios 4.3 upgrade. To get the green FaceTime app, you must downgrade.
You can not downgrade any app. You can update, but not downgrade. There is nothing that you can do. Sorry.
No, you can sell your iTouch 2G and purchuse a newer iTouch
itouch 1 is the original itouch --- itouch 2 is the different itouch u can try this 1. sync itouch 1 2. setup itouch 2 (if u have not) 3. with itouch 2 plug into ur computer hit restore. that should restore everything from itouch 1 to itouch 2 if u have any other question leave me a message. i will reply asap. =]
There is no way you can downgrade a PSP-300 or PSPgo at the moment.
You can't downgrade an IOS on your iPod Touch.
I loveeee my iTouch! :]
The company's financial performance declined, leading credit agencies to downgrade its credit rating.