Matter OTBR ESP32‑S3 Web Flasher

Flash the latest Matter OTBR firmware to your ESP32‑S3 device directly from your browser.

Use Chrome, Edge, or another Chromium-based browser on desktop. Connect your ESP32‑S3 device via USB and click Install. You may need to hold the BOOT button on your board when connecting.

If your board does not look like the one in the image, this is likely not the correct firmware. Use at your own risk.

Use USB port 2 (USB2 ) on the ESP32‑S3 device with the USB-C cable.

ESP32-S3 Board

Matter Pairing

Scan this QR code with your Matter controller app (Apple Home, Google Home, etc.) to pair your device.

MT:Y.K9042C00KA0648G00
Manual Pairing Code
3497-011-2332

PIN: 20202021  •  Discriminator: 3840