Video Tutorial

For a visual walkthrough of the flashing process, watch the Updating Your FRIEND video.

Flashing FRIEND Firmware`

This guide will walk you through the process of flashing the latest firmware onto your FRIEND device.

Downloading the Firmware

  1. Go to the FRIEND GitHub repository and navigate to the “ FRIEND > firmware” section.
  2. Find the latest firmware release and bootloader, then download the corresponding .uf2 files.

Or download these files

Putting FRIEND into DFU Mode

  1. Locate the DFU Button: Find the small pin-sized button on the FRIEND device’s circuit board (refer to the image below if needed).
  2. Prepare a Pin: Use a small pin or similar thin tool to press the tiny button.
  3. Press the DFU Button Twice: Using the pin, quickly press the DFU button twice in succession.
  4. Check for Recognition: After pressing the button twice, your computer should recognize a new drive.

  5. Verify the Drive Name: Look for a drive named /Volumes/XIAO-SENSE on your computer. This indicates that the FRIEND device has successfully entered DFU mode.

    DFU Button Location

Flashing the Firmware

  1. Locate the .uf2 files you downloaded earlier.
  2. Drag and drop the bootloader .uf2 file onto the /Volumes/XIAO-SENSE drive:
  3. The device will automatically eject itself once the bootloader flashing process is complete.
  4. After the device forcibly ejects, set the FRIEND device back into DFU mode by double-tapping the reset button.
  5. Drag and drop the FRIEND firmware file onto the /Volumes/XIAO-SENSE drive:

Congratulations!

You have successfully flashed the latest firmware onto your FRIEND device. You can now download the FRIEND companion app to fully utilize your device:

Once you’ve installed the app, follow the in-app instructions to connect your FRIEND device and start exploring its features.

i just added this video to the repo docs/images/updating_your_friend.mov add it to this