There is no sound from the headphones, or sound is only heard from one side.

Notes:

• If the sound occasionally does not output from the headphones, or the sound of the headphones is interrupted, refer to the article Sound is interrupted or noise occurs while playing music.
• For other than WF-1000XM5 and WF-XB700: If you use the Google Assistant or Amazon Alexa features on the headphones, and the sound is heard on only one side of the headphones, refer to the article No sound is output or the headphones do not work when using only one side of the headphones.
• If foreign substances (such as earwax) build up in the earbuds, no sound may come out or the volume may seem lower than usual. Regular cleaning can prevent these issues. For details, refer to the article How to care for the headphones (WF-**, WI-** Series).

Before you get started

• Turn up the volume of the connected device.
• If using an app with the connected mobile device and no sound is heard, check with another app.
• Check if the Bluetooth connection is established with the device you are connecting to.
• Check that the connected device is playing music.
• Charge the headphones.
  Notes:
  • When charging, set the headphones in the charging case and close the lid.
  • Connect the charging case to an AC outlet or computer using the supplied USB Type-C cable

If your specific issue is not listed above, follow these steps:

1. Place the headphones in the charging case and close the lid. Once the lid is closed, wait a few seconds, then remove them and make a Bluetooth connection to the desired device.
2. Reset the headphones. Select your model for specific instructions:
   • LinkBuds S (WF-LS900N)
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • LinkBuds (WF-L900), LinkBuds UC
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • WF-1000XM5
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • WF-1000XM4
     $

     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • WF-1000XM3
     1. Place the headphones in the charging case, leave the lid of the charging case open, then hold your finger to the touch sensor on the left unit for about 20 seconds.
        
     2. Release your finger when the indicator (red) of the headphones turns off after flashing.
        Notes:
        • If the indicator (red) did not flash in Step 1, you may need to hold your finger to the touch sensor on the left side of the headphones for about 30 seconds.
        • You may be able to continue even if the indicator (red) does not flash.
     3. Hold your finger to the touch sensor on the right unit for about 20 seconds.
        
     4. Release your finger when the indicator (red) of the headphones turns off after flashing.
        Notes:
        • If the indicator (red) did not flash in Step 3, you may need to hold your finger to the touch sensor on the right side of the headphones for about 30 seconds.
        • You may be able to continue even if the indicator (red) does not flash.
        • The indicator (red) light may be lit after the reset is finished
     5. Check to see if the issue is resolved after resetting.
        Note: You can also see how to reset in this video:
        
        

        Tip: Learn how to turn captions on or off when watching Internet videos from YouTube

   • WF-SP800N
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • WF-XB700
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
   • WF-H800
     1. Reset the headphones.
     2. After resetting, check to see if the issue was resolved.
3. Initialize the headphones and pair them again. Select your model for details:
   • LinkBuds S (WF-LS900N)
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • LinkBuds (WF-L900), LinkBuds UC
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • WF-1000XM5
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • WF-1000XM4
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • WF-1000XM3
     1. Place the headphones in the charging case, leave the lid of the charging case open, then hold your fingers to the touch sensors on both the left and right units for about 10 seconds.
     2. Release your fingers when the indicators (red) of the headphones start flashing.
     3. The indicators (blue) flash 4 times, and the headphones are initialized.
     4. Delete the pairing information for the headphones from the device and then pair them again.
     5. Connect and pair with a Bluetooth device, then check to see if the issue was resolved.
        Note: You can also see how to initialize in this video:
        
        

        Tip: Learn how to turn captions on or off when watching Internet videos from YouTube

   • WF-SP800N
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • WF-XB700
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.
   • WF-H800
     1. Initialize the headphones.
     2. After initializing, connect and pair with a Bluetooth device, then check to see if the issue was resolved.

If the issue is still not resolved, the headphones may be malfunctioning. Service may be required.  Go to Product Repair.