command in Terminal to fetch specific installers. Tools like installinstallmacos.py
To perform a clean installation of macOS Big Sur 11.2.1 using a DMG or full installer, you can follow these steps to download the official files and create a bootable USB drive. 1. Download the macOS Big Sur 11.2.1 Installer macos big sur 1121 installer dmg
Paste the following command (assuming your USB is named MyVolume ): sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume command in Terminal to fetch specific installers
Specifically addressed an issue where some 2016 and 2017 MacBook Pro models were unable to charge past 1%. macos big sur 1121 installer dmg