To set the incoming call ringtone on Redmi Note4: Open "Settings"--click "Sounds and Vibration"--select "Phone Ringtone"--then select your favorite ringtone to set the incoming call ringtone.
The specific steps to set the incoming call ringtone on Redmi note 4 are as follows:
First, find "Settings" on the phone desktop and open it
In the settings, find "Sounds and Vibration", turn on Sound and Vibration
In the "Sound and Vibration" interface, click "Phone Ringtone"
Then you can choose local music or online music as the incoming call ringtone, and you can set the incoming call ring.