: If the phone is running iOS 15.2 or later, you can check Apple Support under Settings > General > About to see if the battery, display, or camera have ever been replaced. It will specifically label "Genuine Apple Part" if the repair was official.
If you are preparing to sell your device, utilize these tools to protect your data and maximize value: iphone buy and sell
If you are trying to impress a buyer or test a new purchase, try these unique features: If you want to buy a preowned iPhone - Apple Support : If the phone is running iOS 15