Why my cell phone decrease sound whel play song

[Android Central Question]

I have a problem with my mobile phone when I play song volume automatically decrease how to fix ? Kidly tell me quickly

 

[B. Diddy]

Welcome to Android Central! Which phone? Is this only over headphones, or also when using the main speaker?

 

[Dano1200r]

Go to sounds, drop down menu to media, increase your volume here