lifehacker.com

Make Sure macOS Big Sur Doesn't Brick Your Older MacBook

Apologies to the crew up in Redmond, but I usually associate “disasters after upgrading to a new version of an operating system” with Microsoft’s giant feature releases for Windows 10. However, it’s Apple’s turn to enjoy some embarrassment this week: According to numerous reports, upgrading to macOS Big Sur allegedly bricks late-2013 and early-2014 MacBook Pros.