But why it is so hardAs was tweeted by Veeence, the main reason was that iPhone 4 baseband worked with ThreadX. Because of this, it is very difficult to find an exploit that can hack this baseband. That is why we are waiting for this unlock so many time. is a real-time operating system (RTOS) which was developed by Expres Logic Ink and uses various threads to run various modules and operations. Also ThreadX uses multitasking kernel with advance scheduling, good memory management and fast interrupt response. After successfully unlocked iPhones Apple company decided to use ThreadX on iPhone 4. And that was the main reason of failure unlocking tools because kernel of this RTOS is very hard to hack. It is very hard to develop an exploit that can unlock baseband on iPhone 4. So hope for unlock community and Ultrasn0w. I think that it is not long to wait. Also you can try some paid hardware-based unlock solutions as R-sim 4 (which will come in a 5 days) or Gevey sim. And remember that you can leave you comment below and tell us what do you think about all this.
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