can upgrade ipod touch 3d gen 3.1.3. to 4.0? if so how?

download the firware 4.0 from the internet somewhere and then hold shift or if your on imac hold alt and click restore and click the 4.0 software and it should restore.

if it doesnt work try searching up tinyumbrella on google and download tinyumbrella and you can save your ssh so you can go to 4.0.

Your Own Home Based Business For Just $1500

Start your own home based business today

You receive 100% of profits

Get Paid to your account instantly

Easy Work For Great Pay

www [dot]pastenearn[dot]tk

Yes, with iTunes. Connect your iPod Touch to your computer, open iTunes, then in the left panel of iTunes you will see an iPod Touch icon, click it and check for update.

If you don't have iTunes you can download it here in this page:

http://www.apple.com/itunes/download/