1 Find "ringtones+sounds"
Slide your finger left on the display.
Press Settings.
Press Settings.
Press ringtones+sounds.
2 Turn silent mode on or off
Press the indicator next to Ringer.
Depending on the current setting, silent mode is turned on or off.
Depending on the current setting, silent mode is turned on or off.
3 Exit
Press the Home key to return to standby mode.