69FAQ, troubleshooting and error messagesAppendixFAQ, troubleshooting and errormessagesThis section lists frequently asked questions that may arise dur-ing the use of your smartphone, and gives easy answers andsolutions to these questions.Aspect Question AnswerAudio Why is there nosound comingfrom the device?If the headset is plugged into thedevice, the speaker is automati-cally shut off. Disconnect theheadset.Check that the device volume set-ting is not muted. Tap any of theicons at the top of the Homescreen.Check that the volume control isnot at its lowest setting.MultimediafilesWhy can’t I viewmy picture files?You may be trying to view animage that is not supported. Referto “Multimedia” on page 71 formore information.Why can’t I viewmy video files?You may be trying to view a videothat is not supported. Refer to“Multimedia” on page 71 formore information.Why can’t I playmy music files?You may be trying to play a filethat is not supported. Refer to“Multimedia” on page 71 formore information.