iPhone Activation Required Error After Baseband Downgrade

[bergs4]

Hello,

I have been trying for the past three days to to successfully jailbreak and unlock my iphone 3gs. I am having no problem jailbreaking. The issue arises when I try to downgrade from 06.15 to 5.13.04. I have followed the dev-team blog instructions over and over again and I'm getting the same result -- an "activation required" message on the iphone. After I slide to unlock, I then get the "connect to itunes" image. I do not know what I am doing wrong. Please help! Also, I am running 5.1.1 and the serial number of the phone indicates it was made sometime in 2010.

Thanks.

 

[Intell]

Why don't you just plug it into iTunes?

 

[bergs4]

Itunes doesn't recognize it unless I put it in DFU mode.

 

[Intell]

Put it into DFU mode, restore it with an IPSW that will preserve the baseband, and activate it during the setup of the phone.

 

[bergs4]

I'm new at this so I wan't to make sure I understand you correctly -- when phone is in DFU mode hit shift restore in itunes and then select an IPSW (which I will have downloaded before hand) that is compatible with the 5.13.04 baseband. Is this the correct IPSW to use:

5.1.1 (3GS): iPhone2,1_5.1.1_9B206_Restore.ipsw

Thanks!

 

[Intell]

Use redsn0w to make a NO_BB version of that IPSW. Google how to do it.

 

[dhlizard]

iClarified.com has tutorials

 

[bergs4]

After using the NO_BB version, I got an error saying that Itunes has detected a phone in recovery mode after Itunes did its thing for a little bit.

 

[LandonDonovan]

After using the NO_BB version, I got an error saying that Itunes has detected a phone in recovery mode after Itunes did its thing for a little bit.

You need to run the downgrade again. The BB flash didn't go through properly.