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I've tried both ijailbreak and ziphone... i am using a mac and it's on my 8gb ipod. It not only freezes when in installer, but anytime i try to use the keyboard ie. in safari or anywhere else!!
 
just had a quick google and found this:

Ok, after you restored just set up your ipod instead of quiting itunes directly after the restore. Just give your ipod a name.

Jailbreak, and it should work!

IMPORTANT: CHOOSE "CONFIGURE AS NEW IPOD" AND GIVE IT A NEW NAME
 
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