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anyone have older firmware version (pre-thunderstrike fix) for iMac 2011 27"?

P

protocold

macrumors member
Original poster
Jul 10, 2019
98
35
Hi, I am looking for pre-thunderstrike firmware (older than Yosemite 10.10.2) where I can downgrade it further for some experiment.

Does anyone know where I might be able to find it? Many thanks
 
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