How To Fix USB Type-C Earphones Not Detected, by Free Tech Guide on YouTube. 3 min 35 s.
- Video length
- 3 min 35 s
- Time to do it
- 10 minutes
- Difficulty
- Easy
- Steps
- 10
What you need
Steps
Unplug the earphones and restart your phone. A fresh boot clears stuck audio routing so the phone can detect the USB-C accessory again.
Look inside the phone's USB-C port with a torch. Fluff and dust stop the plug seating fully, which cuts off audio detection.
Brush the port gently with a soft dry brush or a wooden toothpick. Never push metal, and never spray liquid into the port.
Blow out loose dust with short bursts of compressed air, holding the can upright and a few centimetres away from the port.
Plug the earphones in firmly and check the notification shade for a USB audio or headset notice. If it appears, tap it and pick the audio option.
Open Settings, then Sound, and check that media output is not stuck on speaker or Bluetooth. Turn Bluetooth off and test again.
Enable Developer options by tapping Build number seven times in Settings, then About phone.
In Developer options, find Disable USB audio routing and make sure it is switched off. Leaving it on blocks USB-C earphones.
Test the earphones on another phone or a USB-C laptop. If they stay silent there, the earphones or their cable are the fault, not your phone.
Try a different pair of USB-C earphones in your phone. If those work, the port is fine and the first pair needs replacing.
Tips and common mistakes
A case or dust plug that traps lint in the port is a common cause, so clean the port every few months.
Cheap USB-C to 3.5 mm adapters without a DAC chip often fail on phones, so use a powered or branded adapter.
Some phones mute USB audio in Safe mode or after a system update, so retest once you are back in normal mode.
Never scrape the port contacts with a pin or knife, since bent pins can short the charging board.
Questions
Why does my phone charge but not play sound through USB-C earphones?
Charging uses different pins from audio, so a partly blocked or dirty port can still charge. Clean the port and check that Disable USB audio routing is off in Developer options.
Do I need to change any developer settings?
Only one. Open Developer options and turn off Disable USB audio routing, which otherwise stops the phone from sending sound to a USB-C headset.
How do I know if the earphones or the phone is broken?
Plug the earphones into another phone or a USB-C laptop. Sound there means the phone or its port is the problem, silence means the earphones are faulty.
This guide was drafted from the video's details and general task knowledge. It has not been checked against the full video. Check the video and relevant product instructions before following a procedure. Report a correction.
