Samsung A15 5G: Ringtones and notifications keep changing back

[over-heating]

Why does my ringtone and notifications keep changing back to what I don't want what do I need to do thanks I have a samsung a15 5g thanks 

[patriciostarr]

Just re apply them that happens to me too

[over-heating]

I do but it's ever few days or so and I have to do again and again

[patriciostarr]

I do the same i reapply i dont delete the notification folder

[over-heating]

I get that but you should have to keep doing that right