Samsung Galaxy S6 Edge: How to Adjust Sound Balance when Using a Headset in Android 5.1.1 Lollipop

By default, your Samsung Galaxy S6 Edge uses stereo audio as the sound output so you can hear the sound with two earphones. However, if you have certain hearing difficulty which makes your left ear hears better than your right ear or vice versa when using two earphones, or when you have trouble with your headset which makes it doesn't produce a balanced sound output, you can fix it by adjusting