Follow the prompts to download macOS Big Sur and "patch" your USB drive.
Before downloading the Patched Sur v1.1.0 utility, verify that your specific Mac model is capable of running macOS Big Sur. Supported Mac Models
Open the from your Applications folder (or from the USB drive if it didn't copy over). Click on Patch System .
We are pleased to announce the immediate availability of . This release marks a significant step forward in the usability and reliability of the patcher for users running macOS Big Sur on unsupported Macs. patched sur v1.1.0 download
Reset NVRAM (Cmd+Opt+P+R) and try booting from the USB EFI again.
Neutral announcement Patched Sur v1.1.0 is out — download now: [link]
: Optimized the downloading screen used when creating a new macOS installer. How to Update to v1.1.0 Follow the prompts to download macOS Big Sur
| Problem | Likely Cause | Solution | |---------|--------------|----------| | USB installer won’t boot | Incorrectly formatted drive | Reformat as macOS Extended (Journaled) with GUID, then recreate | | Black screen after boot | Non-Metal GPU patch missing | Boot into safe mode (Shift+Enter) then reapply post-install patches | | No Wi-Fi | Kext mismatch | Manually copy IO80211Family.kext from the Patched Sur resources folder | | Slow boot times (3+ minutes) | HDD instead of SSD | Clone to an SSD; or disable Spotlight indexing on non-critical volumes | | “Volume Hash Mismatch” error | APFS corruption | Run First Aid in Disk Utility, then re-apply patches | | Patched Sur app crashes on launch | Corrupted download | Re-download the v1.1.0 DMG and verify checksum |
: The patch v1.1.0 appears to be stable and effectively addresses previous concerns. Recommendations for future patches include [list suggestions].
Updating Patched Sur to v1.0.1 on an Unsupported Big Sur Mac Click on Patch System
Q: Is Patched SUR v1.1.0 safe to download and install? A: As with any software download, there are risks involved. Ensure you download from a reputable source and follow installation instructions carefully.
The most critical part of this process is locating a legitimate, untampered copy of Patched Sur v1.1.0. Because the software has been superseded by newer releases, it is no longer directly linked on the official GitHub front page. Here are your safest options:
💡 Always keep your Patched Sur USB drive in a safe place. You will need it to boot into Recovery Mode if you ever need to repair your disk or reinstall the OS. If you're ready to start, let me know: Your specific Mac model (e.g., MacBook Pro Mid-2012) If you have a backup ready Your current macOS version
Most iMacs, Mac minis, MacBook Airs, and MacBook Pros from the 2012–2013 era.