How to Create a Bootable USB Using an Android Phone
In this video, I’ll show you how to create a bootable USB drive directly from your Android phone—no PC needed! We're using EtchDroid, a free and open-source Android app that lets you write images to USB drives. It's perfect for making a bootable OS USB drive when your laptop is dead and you don't have another computer to make bootable drive.
https://github.com/EtchDroid/EtchDroid