Why do my headphones not work on my phone?

Why do my headphones not work on my phone? Check the Bluetooth settings Open Settings, then tap Connected devices > Connection preferences > Bluetooth. Turn the Bluetooth switch to Off, or unpair Bluetooth audio devices that are already connected to your phone. Plug your headphones into the audio jack and play something to see if they work.

Check the Bluetooth settings

Open Settings, then tap Connected devices > Connection preferences > Bluetooth. Turn the Bluetooth switch to Off, or unpair Bluetooth audio devices that are already connected to your phone. Plug your headphones into the audio jack and play something to see if they work.