: This is the most critical check. Ensure the previous owner has turned off Find My , otherwise, the phone will be "Locked to Owner" and completely unusable for you.
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 iphone buy and sell
Buying or selling an iPhone involves more than just checking for scratches. Modern iOS versions include built-in tools that make the process safer and more transparent for both parties. : This is the most critical check