Using headphones with my IPad causes sound issues like sound through one earpiece but not the other and also static when twisted. It also needs to be twisted to restore sound to both. Same happens with my IPhone so it's not a hardware problem or at least I don't think it is. I've also used several different Ear & Headphones which all have the same effect. What is causing this and what are the solutions?
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Headphone jack sound issues IPad/IPhone?