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Aside from the battle against Apple and the whole legal hoopla on tinkering with your rightfully purchased iPhone, independent homebrew developers are at war against each other, so to speak, on coming up with a program that will ultimately unlock the gadget.
iPhoneSIMFree came up with it first but the thing with these devs is that they want the application to be purchased wholesale, meaning end-users will not benefit much from it. We learnediHpne the other day, that a group of another coders collectively known as iPhone Dev Team released the program iUnlock and is ready for download anytime.
We have to remind you that installing iUnlock is not as easy as using iPhoneSIMFree. But if you really want to make your iPhone open source, a little courage and technical know-how should do the trick for you. There are a couple of files needed and procedures to be followed to avoid any problems whatsoever.
To avoid these so-called problems, here are the steps directly from the developers themselves. No one will be held liable except you if you brick your iPhones.