Which (Windows, Ubuntu, Mint, etc.) you are trying to install. The model of your Android phone to verify OTG support. I can provide tailored instructions for your exact setup.
: You must download the operating system's disk image (e.g., Windows 11 or Ubuntu) directly to your phone first. rufus android mod apk
EtchDroid is a dedicated, open-source application built specifically for flashing OS images on Android devices. Which (Windows, Ubuntu, Mint, etc