Yes we know you were disappointed to see last announcement made by iPhone Dev Team. It was regarding the iPhone 4 unlock on higher basebands. These guys are still restless and working to bring the unlock tool using a new method. iPhone Dev Team member MuscleNerd has confirmed that they should be able to do a bruteforce crack thing on the iPhone device by next weekend, this will be used to unlock the iPhone 4 for basebands 02.10.04, 03.10.01 and 04.10.01.
We have already told you that they will try to40-bit Brute Force, if you unaware, brute forcing is trying all possible ways which will ultimately find an unlock code. NCK Brute Force method is not a new one but apparently it is expected that it will give us the iPhone 4 baseband unlock.
Veence has provided us these details:
What is this NCK-key cracking? How does it work?
The NCK-key is the key generated by Apple if you’d officially unlock you iPhone, and with officially I mean, via your carrier. This “NCK-unlock” method is known over a few years now, actually since geohot started working on unlocking the iPhone 2G. He developed a program that could “crack” this 15 digits long key and unique for every device. Geohots NCKBF program could do around 100,000 keys/second which would produce a hit in many years, or complete a search in 317 years. To get to a point where this is actually doable we would need many orders of magnitude of improvement. Even if you use a PS3 (would we still want to use this??) or special hardware (within 1,000 US$ range) you will only get an improvement of 20-100 times.. which doesn’t help much.
Now, luckily, with the exploits they have now, they can’t unlock your baseband, but they *can* capture more information from the baseband to speed up this cracking process. Since the NORID and CHIPID (unique for every device) are known, you’d apparently only have to check 40 more bits (5 digits). A 40 bits key is theoretically crackable on “home hardware” within a week (24/7). The downside of this approach is that you’ll have to keep your computer turned on, and your iPhone has to be connected. And that is the reason why they never tried it before. Please note that this method is completely theoretical and has been NOT tried at all till this moment.
Update: Gevey SIM Card Unlock iPhone 4
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