The touch sensor on the WF-1000XM4 earbud headphones activates on its own

Follow these steps to troubleshoot the issue:

Note: Check the touch sensor performance after performing each of these steps. If the issue continues, proceed to the next step.

1. Turn off the Adaptive Sound Control function using the Sony | Headphones Connect app.

   1. In the Status select (right arrow) at the right side of the Adaptive Sound Control menu.
      
   2. Tap the slide bar to set it to Off.
      

2. Reset the headphones.
   Watch this video or refer to the Resetting the headset page for instructions.
   

3. Initialize the headphones.
   Note: Initialization returns the headphones to the factory settings, and all Bluetooth pairing information is deleted.

   Watch this video or refer to the Initializing the headset to restore factory settings page for instructions:
   

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