There is an abnormal beep sound, the touch sensor doesn't work, or the earbuds (headphones) restart on their own

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

Follow these steps to troubleshoot this issue and check if the issue is resolved after completing each step.

1. Using the Sony | Headphones Connect app, update the headphones to the latest version.
2. Update all music streaming apps to the latest version, and then restart the playback device.
   Note: Depending on the music streaming app, this issue can occur even when you aren't playing music with the app.
3. Place the earbuds into the charging case, close the lid, and then wear them again.
4. Reset the earbuds.
   • See Step 5 for instructions.
5. Initialize the earbuds.
   Note:  Follow the instructions according to your model or refer to your model Help Guide, which can be found on your model support page .
   • How to reset or initialize the WF-L900 LinkBuds, LinkBuds UC
   • How to reset or initialize the LinkBuds S
   • How to reset or initialize the WF-1000XM4 earbud headphones