Fail to update macOS(Catalina, Big Sur beta): Unable to verify software update on a T2 chip Mac

Unable to verify software update

Option-⌘-R

Upgrade to the latest macOS that is compatible with your Mac.

These Mac computers have the Apple T2 Security Chip:

iMac introduced in 2020

iMac Pro

Mac Pro introduced in 2019

Mac mini introduced in 2018

MacBook Air introduced in 2018 or later

MacBook Pro introduced in 2018 or later

Actions > Advanced > Revive Device = Reinstall BridgeOS Only — Revive should be the first option to try. If a Revive does not work, move to the second option Restore.

Actions > Restore = Reinstall BridgeOS & ERASE OS AND USER DATA! — This option will reinstall BridgeOS and erase the SSD. This option is for more serious issues where the Mac does not respond after installing an update.

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