| Board | Instructions |
|---|---|
| Arduino MKR/Nano | The official guide, start directly from Update the firmware step |
| Arduino UNO R4 WiFi | The official WiFi-S3 firmware |
| Arduino Portenta C33 | The official WiFi-C3 firmware |
| Waveshare Pico ESP8266 | The official wiki, scroll down to the Download AT Firmware section |