If it’s your first time updating the firmware, you need to install the app on your Windows PC. You need a Windows PC that meets the following system requirements.
The DualSense Edge wireless controller firmware update is now supported. To update the firmware, use a Windows PC and the app. Always update to the latest version before use. Improve the performances of your DualSense™ wireless controller and DualSense Edge™ wireless controller by updating the firmware.