How to Upgrade macOS with ReiBoot

Tenorshare ReiBoot allows you to effortlessly upgrade macOS to a previous version. Refer to our detailed guide to learn how to use ReiBoot for macOS upngrade.

Available for macOS 13 Available for Windows 11/10/8.1/8/7

Whether you want to update to the latest macOS version or revert to a previous version due to compatibility issues, ReiBoot provides a hassle-free solution that saves time and effort. With just a few clicks, you can upgrade your macOS version, and ReiBoot will handle the rest.

This guide mainly introduce how to update your Mac devices. You need to download and install the ReiBoot on your computer first, then follow the steps below.

With ReiBoot, you can be sure that your Mac will be updated to the latest version with ease and without any risk of data loss or damage to your system. Here is how to update your macOS Update macOS without a hitch.

Step 1. Connect Both Mac Devices

Run ReiBoot on your computer and connect both mac devices. Once the devices are connected, click “More Features” at the bottom left of the panel.

downgrade ios interface on reiboot

Step 2. Choose Upgrading System Option

No matter beta version or final version, you should choose "Upgrading System" mode. Then, click the button below.

select upgrade option

Step 3. Enter into DFU Mode

Follow the instructions below to put your mac into DFU mode. The methods are different from models, please make sure you choose the right model.

enter into dfu mode

Step 4. Download Firmware Package

ReiBoot will detect your macOS version automatically and display the upgradable macOS firmware. Click “Download” to get the package.

download the matching firmware to downgrade
  • If you failed to download the firmware, just hit the ‘click here’ to download it through browser.
  • If you've already have a firmware on computer, just click "import local file" to import the firmware manually.

It may take a few minutes to download the firmware.

downloading the firmware package


  • Unsigned IPSWs cannot currently be restored via ReiBoot. If the macOS version is not supported to upgrade, the program will prompt that no upgradable macOS firmware found.

    no downgradable firmware found
  • You can visit the IPSW website to check which firmware Apple is signing.

Step 5. Initiating Upgrade

Once the firmware package is downloaded on your computer, you can click 'Initiating Upgrade' to update macOS.

start upgrade

Initiating Upgrade will not clear your data. If confirmed, then click “Continue” button.

confirm to upgrade

Step 6. Upgrading

The program starts to update macOS, please do not disconnect your device during the upgrade process.


When the upgrade is completed, you will see the completed page and your Mac devices will be the newest version.

upgrade completed


If your Mac models is with the Apple T2, before repairing done, you should follow the instructions below steb by step:

reiboot repair t2 system reiboot repair t2 system

After you finished all the steps, please click the "Done" button and your Mac with Apple T2 will be upgraded successfully.

reiboot repair t2 system

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