You didn't follow my instructions. No where do I say put your iphone in DFU mode. All you need to do is have the iphone 5 6.0.2 Ipsw on your desktop and then follow my instructions.
You don't need to be on 6.0.2 to get your shsh nor do you need to restore or DFU your phone.
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That's why you should use redsn0w to get the shsh for your iphone 5.
Uhm i just previously i used redsn0w and it specifically asks you to go to DFU mode to get the blobs. in fact it shows a screen of instructions to go to that mode before getting you can get the blobs.
Edit: disreguard, updated to latest redsn0w and all is well