MacOS – Unable to install mac Big Sur beta 11.0.1 in Macbook pro 2020

big surmacbook promacossoftware-update

'I am unable to install Big Sur beta 11.0.1. It is downloading fully from the update screen and showing 15 minutes remaining for the installation process. Then the below screen is coming.

enter image description here

I'm continuously getting this since last 5 times. No success in the update.

Is there any way to fix this? Any help could be appreciated

Best Answer

I have fixed this finally.

  1. I turned off the file vault
  2. Run the update from the terminal using the command softwareupdate --install "macOS Big Sur Release Candidate 2-20B28"