Alternatively, if you still have the .app file, it is faster to skip the DMG step entirely for USB drives and target your external volume directly:
The remains a useful tool for specific technical scenarios — especially where a particular point release is required for compatibility or security patch analysis. However, for most general users, Apple recommends updating to the latest available version of macOS for optimal security and feature support. macos big sur 1121 installer dmg
Do not trust the first Google result for "macOS Big Sur 1121 installer dmg". Use the manual Terminal and Apple CDN methods outlined above. Stay safe, and enjoy the stability of Big Sur. Alternatively, if you still have the
macOS Big Sur (version 11.0) introduced a redesigned interface, Control Center, and optimized Safari. Version 11.2.1 arrived in February 2021 as a point release focused on . Its primary purpose was to fix a specific charging issue with certain 2016 and 2017 MacBook Pro models, preventing them from not charging to full capacity. It also patched a WebKit vulnerability. Use the manual Terminal and Apple CDN methods outlined above