You can force your Mac to download the full asset by pasting the following command into Terminal and pressing Enter:
Wait for the download to finish. The system will save a file named Install macOS Big Sur.app directly into your folder. Method 2: Sourcing Direct InstallAssistant Packages
Wait for the download to finish. The app installer will appear in your folder. Step 2: How to Create a macOS Big Sur 11.2.1 DMG File
This article covers the core updates in macOS Big Sur 11.2.1, explains why you need a DMG installer, and provides a step-by-step guide to creating your own bootable media safely. What’s New in macOS Big Sur 11.2.1? macos big sur 1121 installer dmg
A: Yes, but it requires additional tools like OpenCore-Legacy-Patcher or Big Hedge Patcher . These tools allow macOS to run on older hardware that Apple no longer officially supports.
Approximately 11.4 GB to 12.6 GB for the full installer
Press Enter, input your administrator password, and press Y to confirm that you want to erase the drive. You can force your Mac to download the
For users who cannot use the App Store, Apple hosts files on its servers. Sites like Mr. Macintosh maintain a database of these official direct links.
Use Apple's built-in creation tool hidden inside the downloaded application package to populate your blank disk image. (Note: This step requires administrator privileges; you will need to type your Mac user password).
package on Apple's servers or archived as a DMG/ISO for specific installation needs. Core Specifications Release Dates: Initially released February 9, 2021 (Build ); a revised version followed on February 15, 2021 (Build Full Installer Size: Approximately Update Size: for users already on Big Sur. Key Fixes and Features MacBook Pro Charging Fix: The app installer will appear in your folder
What of Mac are you building this installer on?
I can provide specific terminal workarounds to get your installer file built successfully. Share public link
softwareupdate --fetch-full-installer --full-installer-version 11.2.1
In the recovery window, select if you want to wipe your internal drive for a clean install; otherwise, select Install macOS Big Sur to upgrade. Follow the on-screen prompts to complete the installation. Troubleshooting & Special Cases
hdiutil attach /tmp/BigSur.dmg -noverify -mountpoint /Volumes/BigSur Use code with caution. 3. Write the Installer Files to the Image