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Apple Brcm94331 Airport Card: No Wifi in Big Sur


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I have an E6230 with an Apple Airport Card. Using Big Sur using the bootpack found on this site. I have bluetooth, but no WiFi, not sure what to do to activate it. It was working under Catalina.

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Which model of Airport Card?

It might no longer support beyond Catalina, so you might need to use kext from Catalina on BS.

There's a injection kext for this. Check Herve's guide on wireless devices for links

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Apple Airport Card is pretty meaningless. You'll have to state the exact card model to get a proper answer. As Jake said, Big Sur dropped support for even more cards than Mojave & Catalina did so you may have one of those. As usual, please consult our wireless cards inventory.

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Of course, it's one of the Broadcom chipsets dropped in Big Sur as indicated in our Wireless cards inventory last December...

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