Can I change volume of my ringtone and notification sounds?
You can adjust sound volume of the ringtone and notifications separately with the latest software
that is offered from July 18 starting with Germany. Name of the software version can differ
How to use
2. Use volume up and down buttons to adjust. While pressing the volume button, tap Settings
to change the ringtone and notification sounds.
Please update your phone software to the latest version for easier access.
Go to Settings ▶ General ▶ About phone ▶ Update Center