Transform the monotony of your phone's message tones by selecting your preferred songs.
Here's how to set message tones with songs on OPPO F3 Lite (A57):
Step 1: Navigate to 'Settings' and choose 'Sound and Vibration.'

Select 'Sound and Vibration.'
Step 2: Choose 'Message Alert Sound.'

Choose 'Message Alert Sound.'
Step 3: Select your favorite folder and song.

Choose your preferred folder and song.
The setup process is now complete. Best of luck to all of you.
