Every new case can open with 0-0-0. Press hard on the square unlock button in the first few times. there is a way to crack the code if you forget. a. the most important step------Find the little notch on each gear, which is in the gear gap. (it shows more clear in pics, pls email us and I will sent pics to you) b. put the three notch on line and see the numbers. Plus 1 with each number. if the number is 112, you can try 223/334/445/556/667/778/889/990/001. your code is in ten combinations. try them and open it. Don't forget to press hardly.