If you don't hear any sound or the volume is too quiet: Check your device's volume or sound settings. If your phone has a Silent or Do Not Disturb mode, make sure it's off. If the game has its own sound settings, check if they are on and turned up. If your device is connected to a speaker or headphones using Bluetooth, try turning Bluetooth off and back on.

If the sound is choppy or stutters:

Close the game and any other apps running on your device, then try again. Check for available game updates and install them, then try again.