Hello Mi A1 users,
Small tip for the day, How to change message notification sound in Mi A1

1. Open Message app
2. Tap on "more" option on right top corner of the page

3. You will get some option there tap on "Setting"

4. Tap on "Notification"

5. You will get "Sound" option, select the tone which you want to set

simply,

MessageMoreSettingNotificationSound and change the tone from there