怎么设置手机来电铃声

To set a custom ringtone for incoming calls on your phone, you can follow these general steps:

1. Go to the Settings app on your phone.
2. Look for the "Sound" or "Sounds & Vibration" option.
3. Find the "Ringtone" or "Phone Ringtone" setting.
4. Select this option and choose from the list of pre-installed ringtones or tap on "Add" or "Select from files" to choose a custom ringtone from your device.
5. Once you have selected the desired ringtone, save your changes.

Please note that the exact steps may vary depending on the make and model of your phone and the operating system it runs on.