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Most Recent Airport Card Upgrade Possible

Hi Everyone,

I need to replace the airport card in my mid 2012 retina 15” MacBook Pro. I remember reading a few years ago that installing a more recent airport card in this model enables it to upgrade to a slightly more recent version of iOS than normally possible.

To clarify, I don’t mean installing the most recent equivalent of an airport card allows you to install the very latest iOS. It was something like installing a 2014 card allowed you to install the 2018 version of iOS…something like that…

Does this sound familiar to anyone? I figured if I’m going to do this, might as well push my system farther.

Thanks in advance,

-David

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@diyadventure - Just so we are clear here you want to upgrade your macOS not iOS. The highest macOS Apple supported in this series is Catalina. But you can go higher! Using a shim service like OpenCore.


But you might encounter some issues if your system only offers 8GB of RAM and the size of your SSD may also effect what you can run.

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Lol yes I meant OS, sorry. I’ve been a mobile user for too long 🤦🏻‍♂️🤦🏻‍♂️🤦🏻‍♂️🤦🏻‍♂️

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You should be able to snag the Airport card out of a 2015 rMBP and it should be plug and play. As for actual speed increases, I’m not sure. But that is the best you could get and it should be faster assuming you have the Wi-Fi to take advantage of it. As for macOS you can just use a tool like Opencore Legacy Patcher which will allow you to go up to Sequoia. You do not need to upgrade your Airport to update macOS as macOS depends on the computer model not Airport model.

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Thanks for the info. I didn’t know about Opencore before you guys mentioned it here. Maybe it wasn’t well known last time I read about this a few years ago.

At that time, from what I remember, it was either the version of WiFi or Bluetooth the 2012’s card used didn’t meet the requirements for the most recent versions of Mac OS (not iOS 🤦🏻‍♂️🤣)

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