My wireless headset turns off immediately after placing them into the charging case
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.
This can happen if the remaining battery level of the charging case is low. Recharge the charging case with the supplied USB Type-C cable.
You can check the remaining battery charge of the headphones using the Sony | Headphones Connect app (Ver. 6.0.0 or later).
NOTE: For WF-1000XM3, the headphones firmware version 2.0.2 or later is required.