How to reset or initialize the Wireless Headphones (WF-1000XM4)

IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.

• Reset the headset
• Initialize the headset to restore factory settings

Reset the headset

1. Place a headset unit into the charging case.
   Close the lid of the charging case after setting the headset into the charging case.
   
   

2. Connect the charging case to an AC outlet.
   NOTE: Use the supplied USB Type-C cable and a commercially available USB AC adaptor.
   

3. Open and close the lid of the charging case more than 5 times within 20 seconds. This will cause the indicator (red) of the charging case flashing.
   
   When the resetting is complete, the indicator (green) of the charging case flashes 4 times.
   

4. Remove the headset unit from the charging case, set the other headset unit to the charging case, and then start the operation again from step 1.

NOTES:

• During a reset, the device registration (pairing) information and other settings are retained.
• You can also view this video on how to reset:
  
  

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Initialize the headset to restore factory settings

IMPORTANT: This operation resets all the device settings to the factory defaults and deletes all pairing information.

NOTES:

• After initializing the headset, you should also delete the headset pairing information from any connected devices and then pair them again.
• When the remaining battery charge of the charging case is not sufficient, the headset will not start initializing. If this is the case, charge the charging case.

1. Place the headset into the charging case.
   
2. Hold your fingers to the touch sensors on both the left and right units for about 10 seconds.
   
   NOTE: This will cause the indicator (red) of the charging case flashing.
   
3. Release your fingers within 5 seconds after the indicator starts flashing.
   When the initializing is complete, the indicator (green) of the charging case flashes 4 times.
   
   NOTE: If you do not release your finger within 5 seconds after the indicator starts flashing in step 3, the headset will not be initialized. Try again from step 2.

NOTES:

• You can also initialize the headset using the Sony | Headphones Connect app.
• You can also view this video on how to initialize:
  
  

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