Hey guys, just got my new iphone 3gs. sadly the basband is like 5. sumthing yea, so can't unlock. And it is in 3.1.2 if i'm not wrong. the latest firmware.

Firstly i tried to jailbreak it with the newest pwnage tool, 3.1.4 yea. Followed all the instructions from websites. I customed my boot and recovery logo btw. And the root partition to 1029. After building it and getting my custom firmware, it was fine.

Until, it booted my iphone 3GS, to recovery then i restored it with my custom firmware. It worked, i saw my custom boot logo. After watching the bar finished, itunes suddenly told me my iphone is in recovery mode again... Now my iphone is in DFU mode? it is all black screen but itunes can still detect it.

What should i do now? i've tried restoring it to the basic firmware and redoing, but i can't seem to get pwnage tool to work.... Any help?

With the very latest 3GS iPhones it is possible that you have one of the new batch that only support tethered jailbreak. These are reported to be manufactured on or after week 40.

What this means is that your filesystem is jailbroken, but the iPhone detects this during startup and refuses to boot, which is why you end up at the recovery mode. Apple has closed the 24kpwn hole that was used in earlier 3GS iPhones to allow a full jailbreak.

You can force your iPhone out of this recovery mode by running blackra1n RC2. It will not jailbreak again but will detect that your iPhone is refusing to boot and will kick start the boot.

This needs to be done every time.

This has been tested by a user who jailbroke initially with blackra1n RC2 and then could use blackra1n RC2 again to kickstart it into booting.

I don't think it has been tested to use pwnagetool 3.1.4 to load the initial jailbroken 3.1.2 on the iPhone and then kickstart it to boot withblackra1n RC2. Think it should work, they both use the same exploit.

You don't want the phone in DFU mode, all jailbreaking of the 3GS is done in recovery mode.

so this means that my only hope of jailbreaking is using blackra1n??? so no custom boot logo?

Please read my whole message. You might be able to jailbreak with pwnagetool and only use blackra1n RC2 to kick start the boot. Test it, I am pretty sure that will work.

yea, decided to discard pwnage and use blackra1n instead. THough now my iphone is stuck at recovery mode after a reboot..

Your iPhone will always be stuck at recovery mode after reboot, this is the nature of the tethered jailbreak that your model 3GS is limited to supporting.

While your iPhone is jailbroken you need to run blackra1n RC2 each and every time you restart your iPhone to kickstart the startup process.

The only way to fix this is if someone can find a new exploit in the bootrom, similar to the 24kpwn exploit that apple has recently closed off. The chances of this ever occuring are quite slim.