OK, so I just recently got an iPod so I'm new to all the jailbreaking stuff. Right now, my iPod is tethered, so sooner or later, I'll definitely be unjailbreaking it because it can be pretty inconvenient. Anyway, I just want to sort this out: Entering DFU mode - This is used to downgrade to an older firmware so you can re-jailbreak, right? So, you enter DFU, connect to computer then hold Shift and click on restore, then select the firmware you want to downgrade to. Is that right? Restoring the device then set up new device - This is to update to the latest official firmware and it removes all jailbreaking evidence - right? Sorry, but I really am confused. If that's wrong, can someone explain to me with all this? Thanks in advance.