Install macOS Sierra on Unsupported Macs

Hey there guys, been a while !

Own an old 2008/2009 MacBook Pro/iMac/MacMini or Mac Pro ? Well, you have come to the right place, in this post I will be showing you how to upgrade your old machines to the latest macOS Sierra 10.12 using a guide I stumbled upon recently, seeing that Apple decided to drop support for them.

So, without further a-do let's get started shall we ?

Requirements :

-Early-2008 or newer Mac Pro, iMac, or MacBook Pro
-Late-2008 or newer MacBook Air or Aluminum Unibody MacBook
-Early-2009 or newer Mac Mini or white MacBook

Things you'll need :

-A copy of the macOS Sierra Installer App (grab via Apple's beta program here)
-A USB drive that's at least 8 GB in size
-A copy of the tool - Download here
-(Optional) Download the macOS Sierra Software Update Patch Tool once Sierra is installed, which will allow you to install system updates on unsupported machines.

How to use :

1. Insert your desired USB drive, open Disk Utility, and format it as Mac OS Extended (Journaled).

2. Open the "macOS Sierra Patcher" tool, and browse for your copy of the macOS Sierra Installer App.

*Ensure that the tool successfully verifies the app.
3. Next, select your USB drive in the Target Volume list, and click "Start Operation."

4. When the operation completes, boot your target unsupported Mac off the USB drive you just created.

5. When the installer boots, open Disk Utility.

6. Select the disk or partition you want to install on, and erase it, ensuring to use Mac OS Extended (Journaled) as the filesystem type. If formatting an entire drive, ensure GUID is selected.

7. Install macOS normally on the volume you just erased.

8. When the install completes, reboot back onto the installer drive. This time, open the "macOS Post Install" application.

9. In the application, select the Mac model you are using. The optimal patches will be selected for you based on the model you select. You can also select other patches of your choosing.

10. Select the volume you have just installed macOS Sierra on, and click "Patch." When it finishes patching, click "Reboot". It may sit there for a few moments rebuilding caches before rebooting. 

*If for some reason the system fails to work correctly after rebooting, boot back into your installer drive, run the post install patch again, and select "Force Cache Rebuild" before rebooting. This isn't necessary under most circumstances.

11. When it reboots, it should now boot into a fully working copy of macOS Sierra (with the exception of WiFi on some systems).


And, there you have it folks ! Now you can enjoy most of all the new features that come with Sierra on your old devices that Apple deemed "Vintage". Have fun ;)

Source : D.O.S Dude 1


Having tried it, I believe this does NOT work for logical volumes created (i.e. Fusion drives). Does "dosdude1" intend to support this in future?

September 17, 2016 at 12:10 PM comment-delete

Patcher kept failing...

October 8, 2016 at 7:52 PM comment-delete

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