![]() ![]() ![]() Internet access on the Host Mac – “You may need to configure your web proxy or firewall ports to allow all network traffic from Apple” If the Host Mac is on 10.14 you will get an error 10) ( Example – If the Target Mac is on 10.15 you will need the Host Mac to be on 10.15. The Host Mac Must be on the same OS version as the Target Mac that you want to Restore. The Host Mac must have at least macOS 10.13.5 and Apple Configurator 2.6 or newer installed. ( The Host Mac will do the work and the Target Mac is the Mac you need to Restore) You will need to meet the following requirements – Setup and Cable Requirements before you begin. This opens an overview of your Mac, including your Mac model, processor, memory, serial number, and version of macOS. To see the greater detail provided by the System Information app, click the System Report button.”Ībout my Mac > System Report > BridgeOS version = 5 5. How do I find the BridgeOS Version on my T2 Mac?įrom /en-us/HT203001 – “Choose Apple menu > About This Mac. This is a list of T2 Mac that you can can have BridgeOS restored.Ĥ. This option is for more serious issues where the Mac does not respond after installing an update. Actions > Restore = Reinstall BridgeOS & ERASE OS AND USER DATA! – This option will reinstall BridgeOS and erase the SSD.If a Revive does not work, move to the second option Restore. Actions > Advanced > Revive Device = Reinstall BridgeOS Only – Revive should be the first option to try.The new version of Apple Configurator 2 (2.12.1+) and newer has different options! Warning about “Restore” Full Erase! Please Read Troubleshooting DFU Mode & BridgeOS Update Problemsġ. Can I Downgrade from a Beta Version of BridgeOS to a Production version? Instructions for the Mac Mini (2018-2020) Instructions for the iMac & iMac Pro (2017 & 2020) Instructions for the MacBook Pro & Air (2018-2020) Setup and Cable Requirements before you begin How do I find my T2 Mac BridgeOS Version? If you find yourself in one of these situations you can follow the instructions below.ĭeep Dive explanation on how to boot your Mac into DFU Mode + How to Reinstall BridgeOS with Apple Configurator 2 – Mr. Power on LED Light does not turn on (Mac Mini or 2020 iMac).Typical symptoms that you might see that would indicate a failed or bricked update. This link shows the different ways you can boot to the Recovery Partition or Internet Recovery /en-us/HT204904 (Example: 10.14 is out but the Mac boots to 10.13) “Command Option R” fails to boot your T2 Mac to the newest version of macOS Internet Recovery. Failed BridgeOS or Failed Firmware Update ![]() Restoring or reinstalling BridgeOS firmware would only be needed in the following situations. This is not something that you will ever normally have to do. This article will go over how to restore BridgeOS on your T2 Mac. How to Boot your Mac into DFU Mode Did a macOS Update Brick your T2 Mac? I will Show you how to Boot your Mac into DFU Mode so you can Restore BridgeOS. How to Restore BridgeOS on a 2018+ T2 Mac using Apple Configurator 2. ![]()
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