I have an Iphone 8 with latest IOS. When I upload the ringtone, it plays the correct music in Copytrans. When I play it on my iphone, it is a default iphone ringtone and not the actual sound.
Please contact us at copytrans@copytrans.net attaching your log files. Here is how to generate them: https://www.copytrans.net/support/preparing-log-files-to-contact-support/