How to retrieve a lost iPhone using its serial number

If the Apple phone cannot be retrieved through the serial number, you can use the "Find My iPhone" function to lock the phone and check its location to retrieve the phone.

The specific steps to retrieve your phone are as follows:

1. On another Apple phone, download the Find My iPhone software;

2. Open and enter ID account;

3. After logging in to the account, such an interface will appear, see the picture for details;

4. The operation enters the lost mode;

5. Enter Contact number, click Next, complete.