Thank you for supporting our product. 

1. Projector Main Firmware Upgrade

Go to Settings → System → About → System Update

Check for available updates and follow the on-screen instructions to complete the upgrade.

2. Surround Speaker Firmware Upgrade

Go to Settings → Remotes & Accessories → [Select any connected satellite speaker] → Accessory Update

The system will automatically detect and update the connected surround speaker.

3. Microphone Firmware Upgrade

Go to Settings → Remotes & Accessories → [Select any connected microphone] → Accessory Update

Follow the prompts to install the latest firmware for your microphone.

4. Remote Control Firmware Upgrade

Go to All Settings → Remotes & Accessories → Nebula Remote → Remote Update

Ensure the remote is paired and within range, then proceed with the update.

If you have any other questions, please don't hesitate to contact Nebula Customer Support at service@soundcore.com  for further assistance.