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.
Yes, you can undo the jailbreak. You have to restore your
To get rid of the iPod jailbreak, restore your iPod through iTunes.
no, to get a newer jailbreak you have to restore the ipod touch and then update the ipod touch and then download the jailbreak. that is a huge con for jailbreaking.
It is not required, but it is recommended. You should back up your iPod before a jailbreak nevertheless...
No, I jailbroke my iPod touch with blackra1n, and I didnt have to restore it.
Yes it does it will restore all your previous software and just add cydia!
restore and re jailbreak
Hey search 'spirit jb' (jb = jailbreak) easiest (and working) 3.0 ipod touch jailbreak and you can turn ur ipod off and not have to restore everytime you turn it back on.
Plug it into your computer. Open iTunes. Open the iPod tab. Sync it. Click restore. WARNING: THIS WILL ERASE ALL DATA FROM THE IPOD. Use the backup created when you synced earlier to restore the data. This will not put the jailbreak back on.
Go to iTunes and click restore under. It will restore and set everything to how the iPod was original bought.
No it wouldn't be broken. If there's something wrong with the Ipod, and it does brake, just restore it.
If you jailbreak your ipod, even repeatedly, you can restore it to factory default settings by doing a restore. It will restore to the un-jailbroken configuration every time it upgrades the operating system when you update it. Jailbreaking, by itself, will not permanently damage your ipod but you may expose the system to malware that might damage it.