Troubleshooting - There is white noise heard with the TWS earbuds

Models EAH-AZ70, RZ-S300, RZ-S500

Is the white noise heard in one earbud, or both?

Have you updated the firmware of the earbuds?

No , Please update the earbuds with the latest firmware update. Refer to Update Firmware Process.
Yes , Firmware is updated. If the firmware has been updated and the issue persists, there is a possible defect, Contact an Authorized Panasonic Service center.

Have you updated the firmware of the earbuds?

No , Please update the earbuds with the latest firmware update. Refer to Update Firmware Process.
Yes , Firmware is updated.

After a firmware update, do the right and left have the same level of white noise?

Turn off the noise cancelling. Is the noise still heard?

No , The problem is resolved, the earbuds required a firmware update. Note: Some amount of white noise is heard if the noise cancelling function is turned on. Turn off noise cancelling if you use the earbuds in a quiet space.
Yes , If the firmware has been updated and the issue persists, there is a possible defect, Contact an Authorized Panasonic Service center.

If the firmware has been updated and the issue persists, there is a possible defect, Contact an Authorized Panasonic Service center.