Choose message tone
You can select the message tone you want to hear when you get a message.
Find "Text Tone"
Tap Sounds & Haptics.
Tap Text Tone.
Select a message tone
Tap the different message tones to hear them.
Once you've found a message tone you like, tap arrow left.
Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.