Just buy a wifi adapter or wait for a better solution, if you don’t want to take such risk.ĭo not proceed if you’re not familiar with macOS and don’t know how to work in Terminal.ĭON’T TRY TO UPDATE YOUR BIG SUR INSTALLATION WHEN UPDATES WILL ARRIVE BEFORE THERE WILL BE CONFIRMATION THAT EVERYTHING WORKS. If something wrong will happen -blame yourself, not me. MacBook Pro Learn how to identify your MacBook Pro. If upgrading from an earlier release, macOS Big Sur requires up to 44.5GB of available storage. Never run it on mission-critical machines or ones that have important data. macOS Big Sur is compatible with these computers If upgrading from macOS Sierra or later, macOS Big Sur requires 35.5GB of available storage to upgrade. Proceed at your own risk and confidence, and always have ways to recover your machine. I’m not responsible for any device or OS damages that may occur during this process. macOS Big Sur on Unsupported Macs 2008-2013 OpenCore Legacy Patcher Mr. macOS Big Sur (macOS 11), macOS Catalina (10.15), and older versions of Mac OS X.
This guide is complicated, requires multiple reboots and has large chance of damaging your Big Sur installation, close to 100%. For Mac specs, prices, answers, side-by-side Mac comparison, a tool to. It is better than macOS 10.15, Catalina, due to its powerful improvement and new features.
Run this only if sudo mount -uw / returns “failed with 66” on your machine! The macOS 11, which goes by the name Big Sur, comes with a newer user interface and menu bars, redesigning icons and other features. In fact, the hybrid wi-fi driver gives better wireless networking performance than apple’s own drivers, but there isn’t anything compelling about upgrading to Big Sur and many reasons not to.
Only if this doesn’t helped you and you still get “failed with 66” like I do, then proceed with the guide below. Big Sur runs fine on most of the unsupported but still in service macs out there.
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