Send your iPhone to Apple for a 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 send in your iPhone
Back up your iPhone
Erase your iPhone to delete your personal data and remove it from your Apple Account: In Settings, tap General > Transfer or Reset iPhone, then tap Erase All Content and Settings. You need to enter your Apple Account password to confirm.
If your iPhone uses a physical SIM card, remove it and keep it in a safe place. If your iPhone uses an eSIM, contact your wireless service provider to suspend service.
Power down your iPhone.
Ship your iPhone 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 iPhone to Australia Post. Find the nearest Australia Post Office
Australia Post will package your iPhone and provide a receipt. Make sure you don’t send anything else — such as a USB cable or other accessories. If you do, they won’t be returned. Keep the receipt to confirm you’ve sent your iPhone for service. Apple is not responsible for any damage sustained during transit.
*Send-in service may not be available in all countries or regions.