Change your ringtone
1. In Menu mode, select Settings → Phone profiles.
2. Select ">>" next to the profile you are using.
3. Select Voice call ringtone.
4. Select a ringtone from the list and select Save.
5. Select Save.
To switch to another profile, select it from the list.

Note: If you are using the silent or offline profile, you are not allowed to change the ringtone.