How To Know Whether Your iPhone Has New or Old Bootroom
Jailbreaking and Unlocking with iPhone is fun, but these days apple is trying to make people life harder by introducing new changes in iPhone hardware and software which could stop or prevent people from jailbreaking their devices. One of the change done by apple is the fix they had done in iPhone 3GS bootroom, they have fixed the potential bug found in old iPhone device which allows to unlock the iPhone to use a different carrier....