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macOS 11 Big Sur on Unsupported Macs Thread
- Thread starter dosdude1
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Ok cool. Thanks for taking a look. I’ll try that later on!
Does the Mac Pro Catalina OpenCore spoofing method somewhat work on a MBP 8,1??? thx
Just share install on MD101 and MacPro
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Cara Mudah Install MacOS Big Sur di MacBook MD101 - iNitial E
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Cara Mudah Install MacOS Big Sur di MacBook MD101 - iNitial E
I'm happy because I could upgrade from Catalina to Big Sur beta 4 on an external device. I thought it was not possible.
Beta 2 came out July 7th. So this should be the download link for beta 2
macOS 11 Big Sur on Unsupported Macs Thread
https://drive.google.com/file/d/1qVAkaIbEwQR5_-EQ5-vWgRrhTHOm-uDS/view
forums.macrumors.com
Hello Alex-Microsmeta,
Just curious how you got SIRI to work. Siri crashes on launch on my installation (MacBook Pro 5,2 C2D Penryn), while everything else you listed works (in addition, internal sound and mic work perfectly). There is no graphic acceleration available.
Siri.app (CoreServices and Applications) since BigSur beta 3 doesn't work more on non-metal because they changed the animation, I guess its frameworks are based on Metal (as Drift screensaver for example) .
From what you've attached, if you'll use double quotes, drop the '\'. If you'll use '\', drop the double quotes.
Either use /Volumes/bs\ 1 or "/Volumes/bs 1" including the (")
Awesome! Thanks for the info. That is something else I’ll make sure that I do. Hopefully that’s the problem
Are you doing fresh installs? Or did you try upgrading a Catalina? I know when I tried to upgrade a Catalina drive to Big Sur I had all kinds of weird issues.
@jackluke I write here because is very funny for all us what happened 
I have tried to send from BigSur beta 4 Terminal and Recovery (via OpenCoreLoader4)
nvram boot-args="-no_compat_check" (csrutil status is disabled)
everytime it returned: nvram: error setting variable -'boot-args': (iokit/common) general error.
Finally I tried from dosdude1 macOS Catalina Pattcher and it worked
Then I have tried to reboot BS beta 4 . Impossible, only a white screen, also from OpenCoreLodader4. From BS beta3 I have repatched the Preboot kernel beta 4. Same result. After a very long white screen phase, has started the BS Internet Recovery (never used before) . I have let it going on 25 minutes to undestand what is was happening.
At the end of the download it have showed up a strange macOS Recovery...? It was offering me to reinstall LION!! ?
Now I reinstall BS beta 4 from scratch, skipping stage 3 after "29 minutes... 1 minute (1 hour) remaining" step, then I'll finally boot from "Bigsur - Data" setting it from BS beta 3 startup disk selector in System Preferences, to fix this incredible error 66.
I have tried to send from BigSur beta 4 Terminal and Recovery (via OpenCoreLoader4)
nvram boot-args="-no_compat_check" (csrutil status is disabled)
everytime it returned: nvram: error setting variable -'boot-args': (iokit/common) general error.
Finally I tried from dosdude1 macOS Catalina Pattcher and it worked
Then I have tried to reboot BS beta 4 . Impossible, only a white screen, also from OpenCoreLodader4. From BS beta3 I have repatched the Preboot kernel beta 4. Same result. After a very long white screen phase, has started the BS Internet Recovery (never used before) . I have let it going on 25 minutes to undestand what is was happening.
At the end of the download it have showed up a strange macOS Recovery...? It was offering me to reinstall LION!! ?
Now I reinstall BS beta 4 from scratch, skipping stage 3 after "29 minutes... 1 minute (1 hour) remaining" step, then I'll finally boot from "Bigsur - Data" setting it from BS beta 3 startup disk selector in System Preferences, to fix this incredible error 66.
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Anyone got an idea here: MBP 2012, BigSur 20A4300a installed and working (external HD via USB or internally). Patched the USB installer using micro patcher 0.0.19. Can boot the USB installer, but will always get a BIerrorDomain Error 3 on all devices. Not so when booting from Catalina. The internal SSD then becomes available for upgrade. However, the external HD with BigSur installed won't be seen. What am I missing?
@jackluke I write here because is very funny for all us what happened
I have tried to send from BigSur beta 4 Terminal and Recovery (via OpenCoreLoader4)
nvram boot-args="-no_compat_check" (csrutil status is disabled)
everytime it returned: nvram: error setting variable -'boot-args': (iokit/common) general error.
Finally I tried from dosdude1 macOS Catalina Pattcher and it worked
from BigSur normal booting it's: sudo nvram boot-args="-no_compat_check"
anyway you don't need because it's already disabled from USBopencore , to skip the stage3 installer or fix the snapshot booting you need to use an USB BigSur Installer with createinstallmedia, then apply: https://github.com/barrykn/big-sur-micropatcher
or this: BigSur BaseSystem legacy USB fix
To fix "BIerrorDomain Error 3" you need to apply the ASentientBot Hax3 HaxLib.dylib, and to apply a dylib without apple signature you need "amfi_get_out_of_my_way=1" in nvram (or on com.apple.Boot.plist) .
Maybe try this that should apply both to an USB BigSur Installer: BigSur BaseSystem legacy USB fix
For your Mac that is an Ivy Bridge, you don't need USBopencore .
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Public beta is build 20A5343j. Edit: dev beta 4 is 20A5343i
Awesome! Thanks man!
Edit: Same size, is there some changes compared with the dev beta 4?
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Probably very minor changes, like using a different software update catalog. Maybe it also opens Feedback Assistant automatically when you log in or something like that -- I know that was once a difference between dev beta and public beta builds years ago, maybe in the Mavericks or Yosemite time frame.
Wifi, patched on a 2012 Mac Mini is buggy, I can't connect to several of my Wifi networks, it connects to 1, if I want to change it I will get an error that the Wifi network does not exist, WTF, it shows in the Wifi Menu Bar dropdown menu.
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One thing I want to do soon is to take a closer look at the WiFi patch and see if there's anything I can do to make it less buggy. (It has had bugs to varying degrees with all of the Big Sur betas.) I have ideas but I need to implement and test before I promise anything.
I probably won't get a chance to look into it until a week from now, but we'll see...
@Barry K. Nathan the version 17 of ur patcher may works on public beta 4? when I used the 17 one on BS3 my wifi buttons and keylight buttons works good, but now work buggy....