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iPod Nano DFU Mode Discovered[Video]

After James’s hack, another iPhone developer and hacker Steven Troughton-Smith started looking into iPod Nano firmware to explore future possibility of hacking or running custom apps.To enter DFU mode on iPod nano 6G: hold down the restart buttons until you get a black screen (it reboots twice) and iTunes sees the device and alerts you.

According to Steven Troughton-Smith:

Afterwards, modified iRecovery to work with the iPod nano (had to add its DFU/Recovery USB ID) and allow it send files, and tested with some files I had extracted from the iPod nano 6G firmware (using the extract2g tool somewhere from http://www.freemyipod.org/ ).

disk.fw and osos.fw work (one boots disk mode, the other boots to a homescreen). The other files make the nano boot to a white screen, but go no further.

So, basically, it seems we can send encrypted firmware files to the iPod, and have them execute, similar to what is used to jailbreak the iPhone. If the nano rejects the file (i.e. unsigned, invalid), it reboots.

While this by itself isn’t that cool, hopefully the info will inspire someone else to finally hack this thing and give us custom ‘apps’.

This will hopefully open loads of new possibilities in not-so distant future, like installing custom firmware files, apps and more.

You can watch a video demo of this from below.

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