Q: iPhone 6 stuck in headphone mode

So i plugged my phone 6 into the radio today when i got a phone call. I awnsered the call and inmediatly took out the plug.

Searching the internet i learned that this was a mistake and i tried everything i could find to fix it but nothing seemed to work.

i tried restarting, resetting, plugging in and out the headphone 100 times, blowing into it. I hope anyone can help me because the closest store is 2 hours away.

i hope i explainer my problem properly. if not, please let me Know and thanks!!