Send your HomePod or HomePod mini to Apple for service
After you've contacted Apple for service, you'll receive a kit that contains everything you need to return your product to Apple.
Before you return your HomePod or HomePod mini
Remove your personal information by resetting your HomePod or HomePod mini to factory settings:
Open the Home app on a iPhone, iPad or Mac signed in to the same Apple Account that you used to set up your HomePod.
Select your HomePod, select the Settings button, then select Reset HomePod.
Select Remove Accessory
If a white spinning light doesn’t appear, find out what to do next
Ship your HomePod or HomePod mini to Apple
From the email that you received from Apple, print the shipping label from the "Repair status" link.
Take your shipping label and your HomePod or HomePod mini to Australia Post. Find the nearest Australia Post Office
Australia Post will package your HomePod or HomePod mini and provide a receipt. Don't include any accessories (such as a power adapter, cable that isn't attached to your product or other accessory). If you do, they won’t be returned to you.
Keep the receipt to confirm that you've sent your HomePod or HomePod mini for service.
Apple is not responsible for any damage sustained during transit.