‘Update’ Partition on Mac. Can I remove it?

Calvin_BT Said:

"‘Update’ Partition on Mac. Can I remove it?" There is an Update partition on Mac during and after downgrading Big Sur to Catalina Can I delete it? Here are the files in the Partition..."

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First, Back up your Mac:

Create a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong with the deletion.

Then, Delete the partition.

See if you are set from there.

Calvin_BT Said:

"‘Update’ Partition on Mac. Can I remove it?: Another one, What is this below? disk1s5"

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Deleting This:

I'm not certain, other than it being an update of sorts. So, if you are unaware of what it is, then just delete the partition. It worked before, correct?

Important - Backup First:

Be certain to create a Time Machine backup of your Mac prior to making any major change to it, so that you can have something to restore your Mac from, should anything go wrong afterwards

disk1s5

That is one of the volumes in your container (drive). I would certainly not delete it. One would need to be looking at the complete volume lineup on your drive to make a definitive identification, but on mine it is listed here:

In general, the APFS filing system is difficult and completely different from the old HFS. It is best not to mess with it or you will wind up with a corrupt OS.

I would suggest that you check with Apple support first. I believe this update volume contains important system update files and is expected behavior in the latest OS versions. FWIW, it is not a partition, it is a volume in the OS container.

That - disk1s5 - is NOT an update. It is a volume and necessary for/part of the OS.