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Yet another victim of AWS's "macOS machine won't boot due to outdated firmware" problem has reported it! :woozy_aws: They said they've lost "thousands of dollars and 2 weeks worth of man time" before figuring it out after seeing my posts. :woozypad: Unlike me who was having problems with Intel systems (mac1.metal), they were using Apple Silicon (mac2.metal) which I used before without problems - so they're not immune.

But we finally have a workaround: just run the upgrade yourself... First, get the machine booting by selecting an older macOS image, run macOS upgrades manually all the way to the latest version. Destroy the instance, wait until it finishes scrubbing. Relaunch an instance on the same host - now you can select a new macOS image and boot it up. https://www.reddit.com/r/MacOS/comments/131y9nz/comment/ke3nv7z/ #AWS