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You are at tk here: Just out: iPhone Dev Team Jailbreak, 1.1.2 jailbreak/unlock guide, iDemocracy Updates, iPhone firmware hacking chart

Offtopic: Yeah, late iPhone update today. I was busy working on something and lost track of time. :)

iPhone Dev Team Jailbreak

1.1.2 Jailbreak Software Released @ TUAW reports that the Dev Team has released a jailbreak solution for Macs and Windows. The main catch is that

THIS METHOD ONLY WORKS ON ITUNES ACTIVATED PHONES OR IPOD TOUCHES

but there's a already a workaround. Oh and before I forget, Java is also required.

1.1.2 jailbreak/unlock guide

In case you're curious about the process mentioned above, Hackint0sh user vomer already made an [ULTIMATE GUIDE] Going from iPhone v1.1.1 to v1.1.2 / Jailbreak & Unlock (includes lockdownd file to allow non-iTunes activated iPhones to use this method as well), which is mostly based on the guide at http://jailbreakme.com/1.1.2/.

Note that this includes unlocking with AnySIM 1.2.1u which isn't recommended. Just skip step 6 if you don't want to unlock your 1.1.2 iPhone.

iDemocracy Updates

Drakenza says

iDemocracy 2 now has confirmed-working 1.1.2 jailbreaking and unlocking support! It's super simple and can be done within 15 minutes.

Might be worth waiting a few days for iDemocracy considering the current jailbreaking/unlocking methods aren't too idiot proof. :)

iPhone firmware hacking chart

Mark @ Hack the iPhone has created a handy iPhone chart that lists the various hacks you can do to your iPhone if you're running the various firmware. Great as a reference guide or as a dumping ground for new users. :P