WD My Cloud Personal Storage Firmware 04.01.03-421

Resolved Issues:

- Resolved issue of Apple Time Machine performance degradation

To update the firmware:

- Download the firmware file to your desktop.
- Go to Dashboard to open the user interface.
- Click Settings located on the main dashboard screen.
- Click Firmware to open this section.
- Click the Update from File button.
- Browse to the location where you saved the firmware file and select it.
- The Update Firmware pop up window will appear, and then click the Ok button to proceed with the firmware update. Once the process is complete, the device will reboot. This process will take a few minutes.

Important product update notes:

- Do not interrupt the firmware update process. Doing so may cause the device to malfunction or render it unable to boot.
- If you are using the manual update method, do not rename the firmware file or uncompress the zip file. Doing so will cause the manual update to fail.