My iPod touch 3G have authorized two macbook.
A - Macbook - keep the backup of ipod touch firmware 3.13
B - Macbook - upgrade through this macbook and keep the backup of ipod touch iOS 4.
In my case, How to downgrade to firmware 3.13??
Is it directly plug to "A - Macbook" and select restore??
A - Macbook - keep the backup of ipod touch firmware 3.13
B - Macbook - upgrade through this macbook and keep the backup of ipod touch iOS 4.
In my case, How to downgrade to firmware 3.13??
Is it directly plug to "A - Macbook" and select restore??