Why is my volume so low when I play music on my phone?

[iMore Question]

So, whenever I play music on my phone, it sounds so quiet and I want it to be louder

 

[zerog46]

Have you tried a reboot? Hold in both buttons until you see the Apple logo.

 

[djpatrickb]

Swipe up from the bottom of your screen to access the control center. Make sure the volume is turn all the way up.