Help with updating macbook air 2020 M1

so im using macbook air M1 2020, currently in verison Mac OS Sequoia 15.2. My question is when i open system setting and check for update it shows MacOS Tahoe 26.2 i press upgrade now it shows this in the bottom picture, even for 15.7.3 update as well. Anyone can help me out?

MacBook Air 13″, macOS 15.2

Posted on Jan 7, 2026 7:28 AM

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Posted on Jan 7, 2026 7:52 AM

Here’s the official support article:


If an error occurred while updating or installing macOS - Apple Support


Practically, most likely you have an ‘ownership’ issue that may be resolvable with a firmware revive. See this thread:


"failed to personalize the software updat… - Apple Community


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Help with updating macbook air 2020 M1

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