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smidgeondutchrabbit
User level: Level 1 (70 points)

MacBook Pro not updating to 27.2 properly

I update my MacBook Pro to 27.2, only for it to do nothing. I click install, let it update, only to see 27.0.1 in software update and for it to still offer to update to 27.2 when it should be on 27.2

Posted on Oct 28, 2026 1:07 PM

2 replies

neuroanatomist
User level: Level 9 (72,871 points)

Oct 28, 2026 2:04 PM in response to smidgeondutchrabbit

If you are not offered an update in System Settings and/or are unable to install an update downloaded via Terminal, then is likely that you are in Low data mode. Users have reported difficulty upgrading macOS over Wi-Fi in Low data mode, and that toggling that setting OFF enables them to perform a Software Update. 

 

Turn off Low data mode

  • Open System Settings 
  • Click on Wi-Fi
  • Click on the Details button on the right side of your connected network
  • Toggle the setting off

 

 

More info from Apple: Wi-Fi settings on Mac - Apple Support

 

If macOS 27.2 does not appear in Software Update, try the following steps in order.

  1. If you are using a VPN, shut it off.
  2. Restart your Mac.
  3. Go to System Settings > General > Software Update and check again. Press Command-R to refresh that settings pane, just in case.

 

If macOS 27 still does not appear, you can check which software updates are currently being offered to your Mac.

 

Open Terminal (find the app with Spotlight or in Applications > Utilities) and paste the following, then press return:

softwareupdate --list-full-installers

 

If macOS 27.2 appears in that list, you can download the full installer with:

softwareupdate --fetch-full-installer --full-installer-version 27.2

 

Owl-53
User level: Level 10 (123,805 points)

Oct 28, 2026 2:13 PM in response to smidgeondutchrabbit

Aside from the good advise already presented


I have seen one individual state that Turning OFF Lockdown Mode will solve the Fall Back to 27.01 versus actually updating to 27.2


I can not verify their claim but the individual seemed emphatic that was the root cause


MacOS Golden Gate 27.2 update fails on my… - Apple Community


Originally posted at discussions.apple.com/thread/256384793