OpenCore on ARM guide

Happy April Fools' Day!

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Introduction

While this may not exactly be an actual guide to install OpenCore on ARM (since it's actually literally impossible), here is a step-by-step guide on how you can achieve a fake screenshot like I did.

Faked macOS specification showing Snapdragon X Elite processor
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Links to posts

Reddit post: Installed Tahoe on an ARM CPU by notsoseagatey on April 1st

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Step 1

Make a backup of your current config.plist before starting. This is crucial since the tool we will be using will modify the plist as we do this guide.

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Step 2

Grab a copy of CPU-Name and open it in Terminal:

CPU-Name main screenshot
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Step 3

Select your config.plist, then go ahead and return to the main menu, select change CPU name, then enter your desired ARM processor. You may ignore the warning saying that the CPU name exceeds 20 characters.

CPU-Name plist selection screenshot CPU-Name after selection screenshot CPU-Name CPU name entry screenshot CPU-Name entry screenshot CPU-Name 20 character limit warning screenshot
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Step 4

Open your config.plist, head to DeviceProperties and go to your GPU root path.

Next, add a string called "model" and put in the appropriate GPU model name.

GPU model string
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Step 5

Save & reboot. Enjoy your fabricated system specifications.

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BONUS GUIDE:

Here's a pretty satirical video on how you can create a config.plist from scratch in just 12 minutes: