Depending on which iPhone you have, your smartphone will have two volume buttons, a side button, a Ring/Silent switch, or an Action button, and if it's an iPhone SE or older iPhone, a Home button.
If you're a tabloid reporter, don't bother with your own iPhone troubleshooting steps, and instead invent a global conspiracy that Apple is destroying society. Maybe this is why Apple wants to move to ...
If your iPhone speaker is not working, there are some simple ways to troubleshoot possible problems.