IPhone 4S volume bar disappears?

I have an iPhone 4S. Everything was alright until the volume bar disappears when I try to press - and +. There's no bar that shows how loud the sound is. It comes and goes everyday and it's becoming annoying. The ringtone is still intact. I would really know how to fix this problem by myself than give it to a professionell.

It's probably due to a water damage. Think back if you ever sprinkled or dropped it in water. I would upgrade if I were you, the issue won't go away

  • Why doesn't my iPhone 4S volume bar don't work? Okay so I found out like three days ago that my volume doesn't work like once I try pressing on the + or - on the volume it just says ringer and it doesn't go high or low, it also doesn't work for like an app example vine or fun run, or music. I tried going to settings, general, reset, and reset all settings and its still not working.
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