The wizard will guide you through the process. Do not disconnect the Walkman until the update is fully completed.
If you browse YouTube or Russian forums (4pda), you might see "Custom Firmware" for the NWZ-B183F claiming to add: sony walkman nwz-b183f firmware update
If you encounter errors during or after the update process, use these troubleshooting steps to fix them: Computer Does Not Recognize the Walkman The wizard will guide you through the process
Select or [FW Version] to see your current version number. Update Steps sony walkman nwz-b183f firmware update
Plug the Walkman directly into your computer's USB port.