Plug the LilyGo T-Dongle-S3 in with a data USB cable, then press Connect. Everything — bootloader, partition table, firmware and the encrypted web UI — is written in one pass. No drivers, no toolchain.
flasher/serve.py.
| Config WiFi | Dongle-Setup / dongle1234 |
| Web UI | http://192.168.4.1 (or http://lilystrike.local) |
| Login | admin / admin — change it in Settings |
| License | Accept the EULA on first load |
| Join WiFi | BadUSB page → autostart script CONNECT_AP your-ssid your-pass |
Full guides in the repository — DUCKYSCRIPT.md, WEB-UI.md, MCP.md, SECURITY.md, TROUBLESHOOTING.md.