1) Click Setting->Sound option to enter.
2) Ring File: Click【Ring File】option to pop up the pull-down menu, press Up/Down to
choose a preferred ring tone, then press <OK> to confirm the change;
3) Ring Volume: Choose【Ring Tone】->【Volume】 option, then click or button
to adjust the ring volume;
4) Talking Volume: Choose 【Volume】->【Talking】 option, then click or button
to adjust the talking volume;
5) Press <F1> to save the changes, and get back to Setting page.