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macOS 11.5.1 Update

tonymacx86

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Today Apple released macOS 11.5.1 Update, a major software update to macOS Big Sur. Update any supported system using the built-in Software Update functionality through the macOS System Preferences pane.

What we know about the 11.5.1 Update so far...
  • macOS Build 20G80
  • Install macOS Big Sur App has been updated - If you downloaded macOS Big Sur from the App Store prior to today, and you want to have the latest version on your backup installer USB, simply log into the Mac App Store and click Download. The updated Install macOS Big Sur App can be found in the Applications folder.
macOS Big Sur 11.5.1 — Restart Required
macOS Big Sur 11.5.1 provides important security updates and is recommended for all users.
For detailed information about the security content of this update, please visit: https://support.apple.com/kb/HT201222

Testing is now underway- this post will be updated. Good luck, and let us know how it goes! Report your results here.

Related:
macOS 11.5 Update
macOS 11.4 Update
macOS 11.3.1 Update
macOS 11.3 Update
macOS 11.2.3 Update
macOS 11.2.2 Update
macOS 11.2.1 Update
macOS 11.2 Update
macOS 11.1 Update
macOS 11.0 Big Sur is Now Available on the Mac App Store
Update Directly to macOS Big Sur
How to Create a macOS Big Sur Public Beta Installation USB
How to Prepare for Big Sur
macOS Big Sur Does NOT Boot with iMac14,2 System Definition
tonymacx86 Clover Theme (Updated for Big Sur)
Introducing the macOS Big Sur Critter!
Big Sur Desktop Support
Big Sur Desktop Guides
Big Sur Laptop Support
Big Sur Laptop Guides
Apple Announces "3rd Transition" for macOS: From Intel CPUs to Apple Silicon
macOS Big Sur Public Beta is Now Available
Apple Previews macOS 11.0 Big Sur - Available Fall 2020
 

Stork

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Please post help requests in the Big Sur Desktop Support Forum section (not in this thread).


Pre Update Notes
:
- This update may break some of your Big Sur functions. Make sure you backup first. :thumbup:

- Make sure you use the latest versions of the Lilu.kext, AppleALC.kext and WhateverGreen.kext.

Here's the step by step way to update:
:ch:Backup your current installation using Carbon Copy Cloner or SuperDuper;

:ch: Update to the latest Clover or OpenCore 0.7.1.
See the tonymacx86 Clover Builds (in Download menu) to update Clover. To update your OpenCore, see this guide. To convert from Clover to Open Core, see this guide.

Note: Before updating to Big Sur 11.5.1, see Acidanthera Updates: July 2021 for OC 0.7.1 updates.

Note #2: Before you update, make sure your USB ports are properly mapped. I recommend you use this procedure by @ohchang in his post here to do the USB port mapping or the USB ports will not work.

:ch: Download the Big Sur 11.5.1 Update from Apple's Mac App Store using System Preferences > Software Update, and run it - the updater will reboot upon completion.
Note: Update will reboot several times; each time Clover/OpenCore picks the correct boot partition. So, sit back and relax. The update takes 2-3 reboots and ~25 minutes to complete.​

Screen Shot 2021-07-27 at 4.31.30 PM.png


:ch: Done! So far, another easy update! :thumbup:

Please post help requests in the Big Sur Desktop Support Forum section (not in this thread).
 
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25-minute update of macOS 11.5.1 (20G80) for my Z370 | 9600K | RX 580 build with OpenCore 0.7.1
截圖 2021-07-27 02.23.43a.png
 
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Updated w/out any issues. OpenCore 0.7.1

Screen Shot 2021-07-26 at 1.25.36 PM.png
 

tonymacx86

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Easy update. No issues at all. OC 0.7.1

Screen Shot 2021-07-26 at 4.48.03 PM.png
 
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No issues with updated Lilu, AppleALC and WhateverGreen and OC .64 (...too lazy to track/update config changes with each release of OC). Three reboots and about 30 minutes.
 
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Updated smoothly.
截圖 2021-07-27 上午9.03.02.png
 
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