Pretty much can't make calls because the audio is coming out of the headphone jack even there are no headphones in the jack because the phone still thinks they are in there. Please help
I had the same issue with my original iPhone. Turns out there was just some crud in there that had to be loosened up. I basically blew in there real hard and violently pushed and pulled the headphone jack multiple times and that fixed it.
By the way, how is there audio coming out of the headphone jack when nothing is plugged in? Seems impossible...