How can I change the default ringtone and volume for incoming calls? December 10, 2018 19:32 Updated Unlock your device > Settings > Audio profiles > General > Edit > Volume Related articles How can I set an MP3 as a ringtone? How can I import contacts from the SIM card? How can I change the ringtone of the alarm? Check them out How to transfer contacts from smartphone to F-One via Bluetooth Comments 0 comments Article is closed for comments.