Why does my iPhone 4S not have sound?

My phone doesn't have any sound when I play videos or music. I've tried resetting it and nothing has happened. When I press the volume buttons it shows the volume symbol but without any bars. When I go to ringtones the volume works though.

Go to apple for assistance or phone apple care

Go to the Apple store and ask for help

Unfortunately, you have purchased a fake iPhone. This problem is common among fraudulent iPhones that have sifted their way into the market. It affects a large majority of fraudulent iPhones and has caused wide spread frustration among Apple consumers who all believe that their iPhone is legitimate. Because it seems as though you have not noticed that this iPhone is illegitimate, it must be one of the more sophisticated models of fakes and luckily for you, I have been able to point out this recurring trait that affects many of these phones. Now I recommend you contact the seller of this phone and you demand an examination. A verified Apple fraudulent checker should examine the phone and because of the symptom that your phone is suffering from, they will immediately provide you with a legitimate replacement and they will take the fake phone away for disposal to be incinerated.

I truly hoped that I was able to provide you with assistance.

Umm just because the sound isn't working doesn't mean you have a fake… Ijs

This may seem really stupid and obvious but make sure the ringer switch on the left side it not flipped to off and that would cause sound not to work but in setting ringers would