If you are buying a used device, the serial number is used to check the status.
There are third-party websites (such as swappa.com or imei.info ) that allow serial number lookups. check by serial number apple
When checking a serial number, it is important to understand what information is revealed to protect the current owner: If you are buying a used device, the
You can locate the serial number using these common methods across different devices: How to Check Serial Number for Any Apple Device check by serial number apple