[How-to]Simple Guide to downgrading ios4 MC 8gb model. Meet these requirements first! iTunes 9.2Stress on the 9.2 bit iPod Touch MC model, you can check in settings>general>about 3.1.2 or 3.1.3 firmware, I would not want to disclose links as you should have them. A computer Ability to Panic 1.Start up iTunes 9.2 and plug your precious iPod Touch in. 2.Command+restore or Shift+restore on the ipod Menu 3.Search for your firmware and open it up 4. It should load for a bit and then your ipod should have a restore sign 5. It should load up and be back to the custom firmware. 6. Go find iTunes 9.1.1 and download that and jailbreak if you wish, you need that itunes if you want to sync anything. 7. Have fun.