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Overview

Build firmware from source to customize your Omi device. If you just want to install the latest release, use the Flash Device page instead.

Consumer Firmware

firmware/omi — SDK v2.9.0

DevKit Firmware

firmware/devkit — SDK v2.7.0

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Build Steps

Install nRF Connect

Install the nRF Connect for VS Code extension.
Follow this walkthrough: How to Set Up nRF Connect

Install the SDK Toolchain

In the nRF Connect extension, install the correct SDK + toolchain version:
FirmwareSDK VersionFolder
Consumer (Omi)2.9.0firmware/omi
DevKit2.7.0firmware/devkit
Using the wrong SDK version will cause build failures. Double-check the version before proceeding.

Open the Application

  1. Open the nRF Connect Extension panel in VS Code
  2. Click Open an existing application
  3. Navigate to firmware/omi (consumer) or firmware/devkit (DevKit)

Add Build Configuration

  1. In the application panel, click Add Build Configuration
  2. Set the board target:
xiao_ble/nrf52840/sense
  1. Click Build Configuration to start the build
  2. A VS Code notification will show build progress

Locate the Firmware File

After a successful build, find zephyr.uf2 in:
firmware/build/<your-preset>/zephyr/zephyr.uf2

Flash the Device

Follow the Flash Device guide to install the compiled firmware on your device.

Flash Device

Install pre-built or custom firmware

Hardware Docs

Omi consumer hardware specs