Thank you for supporting our product. 

1. Try a Wi-Fi network or cellular hotspot with a stronger signal.

2. To update the system version, go to all settings > system > about > system update.

- The device will reboot during this time.

- There may be a 2–3 minute system delay after the update and reboot.

3. To update the speaker version, go to all settings > Remotes & Accessories > Speaker L/R > Accessory update.

- The whole upgrade process will take about 25 minutes.

4. To update the remote control version, go to all Settings > Remotes & Accessories > Nebula Remote > Remote Update.

- If you are unable to receive the above update, please retry.

If after retrying you are still unable to receive the update, you will need to provide your SN (Serial Number).

To view the SN, go to all Settings > System > About > Status > Serial Number.

If the above solutions do not resolve your issue, please contact Nebula Customer Support at service@soundcore.com for further assistance.

If you need additional assistance, please contact our customer support team.