Has this ever happened to you? When your phone volume is accidentally increased or decreased by your shirt sleeve, or when you put your phone in your pocket? If you have ever accidentally turned up ...

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.

hand holding a phone with cover on, showing the volume button - abdallah abdelal/Shutterstock While your smartphone is probably the gadget that you use the most, there are several little hidden ...