You can set the ringtone in the following ways:
1. Select music as the incoming call ringtone:
Go to Phone > Three dots > Settings > Incoming call ringtone.
Or go to Settings > Sound & Vibration > Call Tone.
Select a system ringtone, or click Select local music to select a local song as the incoming call ringtone.
If you select the system ringtone, you can click Vibrate on the same page and choose to synchronize with the ringtone (default). When a call comes in, the phone will vibrate synchronously with the rhythm of the system ringtone.
2. Use a video as a ringtone
Select a video as a ringtone and let the phone play the video when it receives an incoming call.
Go to Phone > Three dots > Settings > Ringtone.
Or go to Settings > Sound & Vibration > Call Tone.
Click to select a video ringtone and select a video to preview the video playback effect during an incoming call.
Click Apply to set this video as your ringtone.