Physical & water damage

Headphone jack not working

On phones that still have a 3.5mm jack, no sound or one-sided sound usually comes from debris in the jack or a damaged cable, not the jack itself.

Difficulty
Moderate
Time
15–20 minutes
DIY cost
$0–$10
Pro cost
$40–$100

Symptoms

  • No sound through wired headphones
  • Sound only in one ear
  • Phone thinks headphones are plugged in when they aren't

Likely causes

  • CommonLint or debris in the jackPocket lint can block the contacts inside the jack.
  • CommonDamaged headphone cable or connectorA bent or frayed plug is a very common cause mistaken for a phone problem.
  • PossibleMoisture triggering headphone modeSome phones lock into 'headphones detected' mode after water exposure until dried.

What to do

  1. Test a different pair of headphones to rule out a bad cable.
  2. Look into the jack with a flashlight for lint or debris and remove it gently with a wooden toothpick.
  3. If the phone thinks headphones are plugged in with nothing inserted, this can indicate moisture — let it dry fully and restart.
  4. Clean the jack with a short burst of compressed air.
  5. If a known-good pair of headphones still doesn't work after cleaning, the jack itself may need repair.

Tools and parts

  • Flashlight
  • Wooden toothpick
  • Compressed air
  • Known-good headphones
Headphone jack flex cableSearch: “headphone jack replacement for your model”

When to call a pro

If a different pair of headphones and cleaning don't fix it, a repair shop can replace the headphone jack assembly.

Safety

Generally low risk

Generally low risk for a careful person. Stop if anything looks different from what this guide describes.

Related guides

Operator provides AI-generated troubleshooting information. It can be wrong. For safety-critical, electrical, gas, structural, medical, automotive safety, or other high-risk problems, consult a qualified professional.