Currently using iPhone 4 16GB 7.0.4. Home button broken and would like to enter DFU. Downloaded latest ipsw for my device and made a DFU IPSW via redsn0w. Latest version of iTunes, can only enter recovery mode via TinyUmbrella. Shift click, error 3194. Checked my hostfile, there was an entry made by TinyUmbrella, removed it, same error.

Any suggestions?

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