Auto Unlock Apple Watch Mac MacBook macOS watchOSAuto Unlock for Mac with Apple Watch is not working anymore for some users after updating the Apple Watch to the latest main watchOS release, e.g. watchOS 7. Auto Unlock feature stopped working on Mac, MacBook Pro and MacBook Air, reportedly. There are two different ways to fix Auto unlocking with Apple Watch on macOS, e.g. macOS Catalina 10.15 or macOS Big Sur / macOS 11.