No. You must restore to Downgrade the Firmware!
You first have to download a torrent of the version of firmware you want, and then you can install it onto your iPod touch
You can't downgrade an IOS on your iPod Touch.
You can't downgrade IOS!
Go to Felix Bruhns' site (Link provided below) to get the firmware and download it Then hold shift and restore and select that firmware on iTunes and there you go!!!
Downgrade your firmware to 3.1.2. This does not work for the 3G.
Sadly, no i tried to use 3g or 1g firmware on my ipod touch 2g and it didn't work. You have to have the exact firmware file. Like if you have an ipod touch 1g with 2.2.1 firmware you have to have the file made for a 1g itouch that has 2.2.1 firmware
If you have 3.1.3 firmware then yes, you will have to downgrade to 3.1.2. This does NOT work for the 3G.
Downgrading your iPod Touch should not delete anything.
you dont
it is a rather complicated way of customizing the iPod apple OS you can also use it to downgrade iPod firmware amongst over things
You cannot downgrade an iPod touch with with another iPod touch's shsh blobs because the shsh blob is unique to that device. Think of it as your DNA is unique nobody can be exactly like you.