How do I get my iPhone 6s out of headphone mode?
How do I get my iPhone 6s out of headphone mode? I’m unable to hear sounds without the headphone
[Re-Titled by Moderator]
iPhone 6s, iOS 13
Generally, that means that the headphone jack is damaged. You can try firmly buy carefully inserting and removing a headphone several times to see if it will trip the switch. If it doesn't you'll need to get the phone serviced.