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Apple addresses macOS Big Sur upgrade issues impacting 2013 and 2014 MacBook Pro models | AppleInsider
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Apple MacBook Pro 13″ Retina Early 2015 Core i5-5257U 2.7GHz 8GB 120GB SSD macOS 11 Big Sur – Refresh Computers Online Marketplace
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Apple MacBook Air 13 inch (early 2015) - MacOS Big Sur, Computers & Tech, Laptops & Notebooks on Carousell
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Performance test of macOS 11 Big Sur Beta 1 on unsupported Mid 2012 MacBook Pro (startup, shutdown) - YouTube
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macOS Big Sur released: How to download, compatible devices, new features, more- Technology News, Firstpost
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Apple MacBook Air A1466 13" Early 2015 Intel Core i5 1.6GHz 8GB RAM 128GB SSD Big Sur OS -ENGLISH U.K. KEYBOARD (Renewed) : Amazon.co.uk: Computers & Accessories
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