A firmware update failed or stopped

If a firmware update fails or stops and cannot continue, restart the Lumos app and the device being updated, then try again.

If the update is still progressing normally, leave it running. Do not turn off the device or disconnect its power during an active update.

First, check which situation applies

Restart and retry the update

1. Close and reopen the Lumos app.
2. Restart the device whose update failed.
3. Keep the device close to your phone.
4. Make sure Bluetooth is enabled and your phone has an internet connection.
5. Follow the firmware update prompt in the app to try again.

Retry the affected device. You do not need to restart the entire BLE migration from the beginning or repeat successful updates on other devices.

While retrying, keep the app open and do not interrupt the device’s power supply.

Restart the app and the affected device, then follow the update prompt to retry.

If the USB-C remote update failed during the BLE upgrade

For the manual remote-update stage:

1. Follow the retry instructions in the app.
2. Press and hold both turn buttons on the remote.
3. While holding them, plug in the charging cable.
4. Release the buttons when the yellow and red indicator lights are both on.
5. Follow the app’s instructions to retry the update.

Once the app confirms success, unplug the cable and pair the remote with the app.

For the full sequence, see How to upgrade your USB-C remote and devices to BLE.

These button-and-cable instructions are for the USB-C remote. Do not apply them to every helmet or light.

The app says the update succeeded, but my helmet or light is offline

Turn the device on and wait for it to reconnect automatically.

You do not need to pair a helmet or light again after its firmware update. Its existing device settings are preserved.

Once connected, open its details and check Firmware version.

If it still will not connect, see My device won’t appear or connect.

After a successful helmet or light update, turn it on and wait for automatic reconnection.

My remote updated, but the rest of my setup did not

The BLE migration has separate stages.

After updating the USB-C remote:

1. Unplug its charging cable.
2. Hold both turn buttons until their yellow lights breathe.
3. Pair the remote with the Lumos app.
4. Follow the new firmware prompts for your compatible helmets and lights.

The remote must be recognized by the app before the next updates become available.

Until all intended devices have moved to BLE, some may not respond to the remote or synchronize with the others. Devices on 2.4G cannot communicate with devices on BLE.

See How to upgrade your USB-C remote and devices to BLE.

Why am I seeing another update prompt?

An additional prompt does not necessarily mean an earlier update failed.

During a BLE migration, helmets and lights first receive the latest 2.4G firmware. After the BLE remote is paired with the app, those devices receive another update to move to BLE.

Follow the sequence in the upgrade guide rather than assuming every new prompt is a repeat of the same update.

Why is Customize still unavailable?

Customize remains unavailable while any paired device needs its latest applicable firmware.

Check the remaining devices, turn them on, and complete their available updates. Then return to Customize.

You do not need to move a compatible 2.4G setup to BLE just to use Customize.

See How to update the Lumos app and device firmware.

The retry also failed

Contact Lumos Support and include:

• The model of the device that failed.
• Your phone model and operating-system version.
• Your Lumos app version.
• The firmware version, if available.
• A screenshot of the error or stopped update screen.
• Whether you were updating a helmet, light, or USB-C remote.
• Whether this was an ordinary update or part of the BLE migration.
• What happened after restarting and retrying.

If the device will not turn on or reconnect, mention that too. You do not need to obtain its firmware version before contacting support.

Do not uninstall the app, clear its data, factory-reset your devices, or try an undocumented downgrade. App-only drafts and custom flash patterns cannot be recovered after deletion.