: Load your compiled binaries (bootloader, partition table, and app) into the tool's file paths. Address Mapping : Assign the correct hex addresses for each file (e.g., for bootloader). : Select the COM port and baud rate, then click

Developed by Espressif Systems, the Flash Download Tool is a Windows-based utility that provides a user-friendly interface for the esptool.py command-line utility. While developers often use terminal commands, the GUI tool is preferred for: Flashing multiple modules simultaneously.

Check the "Erase" option if you want a clean installation (Note: this deletes all current data). Click or "Download."