Download failed - Big Sur 11.2.3

App & System Services Hardware
Johanny OP
Created Mar ’21
Replies 26
Boosts 0
Views 21k
Participants 28
When I tried to update/download/install Big Sur 11.2.3, from System Preferences Software Update, I get:

"Download failed: An error occurred while downloading the selected updates. Please check your internet connection and try again."

MacBook Pro M1 2021
Replies  26
Boosts  0
Views  21k
Participants  28
aviduser OP
Jan ’22

I had this issue with my MacBook Pro (Intel). I took it to the Apple Store and they somehow managed to install the update. Then the issue popped up on my iMac (Intel). After trying all the steps outlined in this and other forums (recovery mode, etc), I finally figured out that I needed to boot off of a separate drive to install the update. I created a bootable USB drive using the instructions here: https://support.apple.com/en-us/HT201372.

Once I booted from that drive, the install went flawlessly.

Good luck.

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