WEBMar 8, 2018 · How to Unlock iPhone/iPad Passcode Using Tenorshare 4uKey. Step #1. First off, download and install Tenorshare 4uKey [ Windows | Mac] on your PC/Mac. Then, open the software on your computer. Step #2. Now, you need to connect iPhone/iPad/iPod touch to the computer via USB cable. Step #3.