Apple 6 s set its own ringtone, but due to network problems, the import device display failed to save.

You can try to set the ringtone with pp assistant, which is more convenient and has a high success rate. The method is as follows:

1 You need to install the pc PP assistant first, then connect the iPhone to the computer, wait for the PC PP assistant to connect to the mobile phone, and click Trust this PC on the mobile phone.

2 After the connection is successful, find "Video Music" and ringtone-import on the left side of the page, and select ringtone files in m4r, mp3 and acc formats.

3 After the import is completed, you can go back to iPhone, set-sound, and select the ringtone you just imported as the ringtone of incoming call or SMS.