I noticed a few months ago my headphone will not work . Bought new headphones still won’t work. Wonder if I’ve accidentally turned something off

Pj6656 Said:

"I noticed a few months ago my headphone will not work . Bought new headphones still won’t work. Wonder if I’ve accidentally turned something off: New earplugs still can’t access music by using earplugs works on sisters phone.. could I have turned something off in settings"

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Troubleshoot the iPhone's Bluetooth:

Start Here: If you can't Connect a Bluetooth Accessory to your iPhone, iPad, or iPod touch - Apple Support

The link on top of this page which you had visited, before posting this question here, is shown under the "Related Article” that may have given you an answer.

Turn on Bluetooth and then select lightening to get headphones to work.