volume buttons

I'm been using my gen 1 iPad Air for a few years, and it has rarely given me problems. However, a couple of days ago i noticed my tablet automatically turn the volume up. I tried to turn it down, but it turned itself up again. I have to hold the volume down button to make it stop. And it keeps...

First of all, sorry for posting this on IPad related forum but I think there might be some people here who have had same issues as me. I'm trying to fix an Iphone 4s volume buttons that have been damaged due a moisture. (Water bottle leaked in a backbag ) The buttons have been damaged in a way...