Have you considered using another messaging app such as textra as one example which may give further customisation options.
Feedback to Samsung can be sent via the Samsung Members App / Samsung + app too @Tripstertoo
Daily Driver > Samsung Galaxy s²⁵ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
