OK so I have an O2 locked iPhone 3G. Unfortunately I made a mistake of using QuickPwn which upgraded the firmware etc.

I now have 2.30.03 with6.02 bootloader (confirmed by BBUpdaterExtreme)

Question: Can I now use Pwnage Tool to create a custom IPSW and re-flash the iPhone to a lower bootloader and baseband for unlocking via Yellowsn0w ?

Or am I goosed until the next release of an unlock ? I presume they are concentrating on 3.0 as the next major unlock.....

Thanks !

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iPhone 3G S OFFICIALLY Unlocked 32 GB

Sorry to say, but you are stuck. The bootloader can't be downgraded and you are at 6.02. 5.8 would be the only one that allows to downgrade the baseband from 2.30 to 2.28. 2.28 would be the one that can be used with Yellowsn0w.

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iPhone 3GS factory unlocked (3.1.2; Blackra1n, Cydia, OpenSSH, custom 3.0 ipcc file (no sig), tethering hack by Dev team, 32 GB)
iPhone 3G (3.0.1; Redsn0w 0.8, Cydia, OpenSSH) 16 GB

Thanks Volkspost for the reply.

So..do you realistically expect an unlock or do you think we will only see a new unlock once 3.0 has been released ?

Its not a major problem for me as I quite like the O2 package I have.

I doubt we will see anything from the Dev Team before the 3.0 release. Wont be a good idea to give Apple to many hints on exploits to close.

just my 2 cent

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iPhone 3GS factory unlocked (3.1.2; Blackra1n, Cydia, OpenSSH, custom 3.0 ipcc file (no sig), tethering hack by Dev team, 32 GB)
iPhone 3G (3.0.1; Redsn0w 0.8, Cydia, OpenSSH) 16 GB

Thats what I thought.

Are you an expert on iSync by any chance ? !!! Having a nightmare trying to work out why my MB Air sync is non operable.....

Hmm, I am not an expert, just a regular sync user. Whats happening when you try to sync?

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iPhone 3GS factory unlocked (3.1.2; Blackra1n, Cydia, OpenSSH, custom 3.0 ipcc file (no sig), tethering hack by Dev team, 32 GB)
iPhone 3G (3.0.1; Redsn0w 0.8, Cydia, OpenSSH) 16 GB

2009-05-06 12:42:44.672 perl[279:10b] SyncServer is unavailable: exception when connecting: connection went invalid while waiting for a reply
PerlObjCBridge: NSException raised while sending reallyResetSyncData to NSObject object
name: "ISyncServerUnavailableException"
reason: "Can't connect to the sync server: NSInvalidReceivePortException: connection went invalid while waiting for a reply ((null))"
userInfo: ""
location: "/System/Library/Frameworks/SyncServices.framework/Versions/A/Resources/resetsync.pl line 16"
**** PerlObjCBridge: dying due to NSException

Uuups, never seen that one. If I were you I would post this error as a new thread in the Mac section here
Genuine Mac Support - Hackint0sh
Chances will be better someone can help out.

I keep my fingers crossed,
v.

__________________
Read the stickies and search the forum before posting!
If you want to become a Hackint0sh supporter click here
----------
iPhone 3GS factory unlocked (3.1.2; Blackra1n, Cydia, OpenSSH, custom 3.0 ipcc file (no sig), tethering hack by Dev team, 32 GB)
iPhone 3G (3.0.1; Redsn0w 0.8, Cydia, OpenSSH) 16 GB