


First of all, you need to download and install UltraDMG on your Mac or windows computer, then launch it. It supports burning 5+ image file to USB flash drive or DVD/CD, including DMG, Bin, Img and Raw and support the latest macOS monterey and big sur. UltraMDG from SYSGeeker is an easy-to-use application helping you to create a bootable USB installer from macOS without clicks, no command required and risk free. Third Method – Create macOS Bootable USB Installer using SYSGeeker UltraDMG Finishes: If you note that your file isn’t bootable then download chameleon bootloader or chimera one and install it (with all customizations you need ) to your USB media….Clicks: For Source: Click on Image and select your DMG or ISO image For Destination : drag the USB media from the left to the textbox.Selections: Click (on the left) your USB media you have just formatted then click Restore.Clicks: Click on Erase -–> Format: Mac OS Journaled Name: whateveryouwant.Selections: Select the USB you want to make bootable.


