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Be very grateful if anyone who's had experience in this could help.

I've just added the untethered jailbreak using evasi0n and while i'm sorting out my phone I thought i'd finally downgrade my baseband from 06.15.00 so my GPS will work again.

Seems simple to do in redsnow, but the program won't support the ios 6.0.1 IPSW file I have (it's the 10A523 download).

Is there any workaround for this? Could I use a different IPSW file for instance without it messing up the downgrade?

Thanks a lot


asked 05 Feb '13, 12:32

jsnodin's gravatar image


You have to select the 6.0 IPSW when using redsn0w. If you do not have it you can download it from here.


answered 05 Feb '13, 12:34

iAdam1n's gravatar image

iAdam1n ♦

Oh great, thanks.

(05 Feb '13, 12:38) jsnodin jsnodin's gravatar image

Sorry one more thing, is it completely fine to do this with a new (2010) bootrom?

(05 Feb '13, 12:43) jsnodin jsnodin's gravatar image

Yes. Please use comment button next time unless you are answering the original question.

(05 Feb '13, 12:44) iAdam1n ♦ iAdam1n's gravatar image

hmm...after redsnow's done it's thing I get

ERROR Please reboot the device into normal operating mode, then perform a clean slide to power off, then try redsnow again.

Second time of trying, anyone had any similar issues?

(05 Feb '13, 12:58) jsnodin jsnodin's gravatar image


This hasn't gone too well.

After a couple of failed attempts to downgrade the baseband, I'm now stuck in recovery mode which I can't seem to get out of via redsnow or tinyumbrella.

Anyone any thoughts?


answered 05 Feb '13, 13:27

jsnodin's gravatar image


try the recovery fix or just boot if dont work a restore should be the only way left...

(05 Feb '13, 13:49) palacs palacs's gravatar image
Your answer: (please use the "add new comment" button unless you are actually answering the original question)
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Asked: 05 Feb '13, 12:32

Seen: 2,452 times

Last updated: 05 Feb '13, 13:49

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