Unsupported OS Recommendations for MacBook 4,1 | MacRumors Forums
It took 4 1/2 months. But it's here. 16” MacBook Pro M1 Max 64 GB RAM 2TB SSD. BLISS : r/macbookpro
Mac Pro 4,1 - Full hardware and software upgrade to Big Sur - YouTube
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I got Mojave working on my MacBook(4,1)! : r/mac
MacBook Pro 17" Unibody RAM Replacement - iFixit Repair Guide
How to Upgrade RAM on MacBook Pro, iMac & More | AVG
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