39
Touch and hold the Power button, tap the Silent mode bar in the pop-up
menu to change the status. The silent mode icon
will be displayed
on the right side of the status bar.
4.5.3.
Phone ringtone
In the Sound & notification interface, click the Phone ringtone bar to pop
up default ringtone setting interface. Click the ringtone you want to set,
after the selection, it will ring a short time. Finally, click "OK".