Whenever I set a custom message tone for a person, it will work for a while, then revert to the default message tone. The custom tone can be one I made using Music or it can be one I bought from Apple Music. Doesn’t matter. It flops to default sooner or later.
Am I the only one with this? If...
Context:
I upgraded to a 64GB XR from a 64GB 6S Plus last month. I have had custom ringtones for most of the time I had an iPhone (9 years). I restored from backup to my new XR w/ custom ringtones. The "Tones" folder in iTunes 12.9.5.7 shows 0 ringtones installed, but custom ringtones are on...