How to unlock MacBook in an efficient way? Usually, there are two types of lock for MacBook, PIN and EFI firmware lock. Our video today will introduce a newly launched chip free removal MacBook unlock tool. It can be used to modify the serial number, recompose data of the ME module and clear PIN lock. With just one tool, you can unlock the following MacBook series. MacBook Pro 2010-2017, MacBook Air 2010-2017, MacBook 2015-2017, iMac 2010-2016, and MAC mini 2010-2016. Let's check the video to see how to bypass MacBook with our new MacBook unlocking tool.