Do you have an old iPhone lying around that you don't use anymore? Or are you thinking of upgrading to the latest model? If so, you might be wondering what to do with your old device. Well, you're in luck, because you can turn your iPhone into cash by trading it in at an Apple Store in Australia. Here's how it works.

• Step 1: Check your eligibility - Not all iPhones are eligible for trade-in. To find out if your device qualifies, you can visit the Apple Trade In website and answer a few questions about your device. You'll need to know the model, storage capacity, and condition of your iPhone. You'll also need to be at least 18 years old and have a valid photo ID.

• Step 2: Get an estimate - Based on the information you provide, you'll get an estimated trade-in value for your iPhone. This value can vary depending on the demand and market conditions, but it can range from A$50 to A$775, depending on the model and condition of your device. You can use this value as a credit towards a new device purchase, or get it on a gift card to use later.

• Step 3: Back up and erase your data - Before you trade in your iPhone, you'll need to back up and erase your personal data. You can back up your data using iCloud or iTunes, and then follow the steps to erase your iPhone. This will ensure that your data is safe and secure, and that your device is ready for trade-in.

• Step 4: Visit an Apple Store - Once you've backed up and erased your data, you can visit any Apple Store in Australia to trade in your iPhone. You'll need to bring your device, your photo ID, and your credit card. The Apple Store staff will inspect your device and confirm the trade-in value. If you agree, you'll get the credit or gift card on the spot. You can then use it to buy a new device, or save it for later.

• Step 5: Enjoy your cash - That's it! You've successfully turned your iPhone into cash. You can now enjoy your new device, or spend your money on whatever you like. You've also done a good deed for the planet, as your old device will be recycled or reused by Apple. You can feel good about trading in your iPhone, as it's a win-win-win situation for you, Apple, and the environment.