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Factory Re-Flash MTR-1

If your device becomes unresponsive and you've exhausted the other troubleshooting methods you can reflash the factory firmware by following the steps below.

This factory re-flash needs to be done in Chrome, Edge, or another Chromium based browser.

If your device has already been connected to Home Assistant please remove it from the ESPHome integration and the ESPHome Device Builder before continuing.

1. Position the MTR-1 as shown in the image below and locate the small opening to press the boot button (the right button).

Tool pointing to the boot button opening on the side of the MTR-1 case

2. Push and hold the boot button. While still holding the button down, plug in a USB-C cable into the USB-C port of your MTR-1 then let go of the button.

3. Navigate to our installer page and click connect under Apollo MTR-1 Installer.

3. Click the big "Connect" button.

Apollo MTR-1 Installer page with the Connect button highlighted

3. Select the open com port then click Connect.

Browser serial port prompt with the USB JTAG/serial debug unit selected and Connect clicked

4. Click "Install MTR-1".

Installer Device Dashboard with the Install MTR-1 option being clicked

5. Click "INSTALL".

MTR-1 install confirmation dialog with the Install button being clicked

6. Once you see "Installation complete!" you are finished. Click Next then close out of the browser window.

Installer showing Installation complete with the Next button highlighted

Power cycle your device before doing anything else!

Your device is still in boot mode and needs to be power cycled aka power removed to make it boot in a normal mode!

7. Please proceed to the getting started guide and setup your sensor as a new device!