Download WD My Cloud Personal Cloud Storage Firmware Update 4.00.01-623

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To start downloading WD My Cloud Personal Cloud Storage Firmware Update 4.00.01-623, please choose one of the links from the list below.

  1. WD My Cloud Firmware Update 4.00.01-623:

Manual update instructions

These instructions represent a manual update.

IMPORTANT: Do not interrupt the firmware upgrade process. Doing so may cause the device to malfunction or unable to boot. If you are using the manual update method, do not rename the firmware file. Doing so will cause the manual update to fail and can corrupt the system.

  1. Download the firmware to your desktop.
  2. Unzip the file and you will find the actual firmware in this format: sq-040001-623-20140904.deb.
  3. Save this to your desktop.
  4. Open the WD My Cloud Dashboard UI.
  5. Go to Settings >> Firmware Update.
  6. Under the section Manual Update, click the Update From File button and a window will open.
  7. Browse to where you saved the sq-040001-623-20140904.deb file and select it.
  8. You will see a pop up confirming to upgrade your firmware, click Ok.

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If you have found mistakes during downloading, please email to We will endeavour to solve these as soon as possible. Other problems, please try to contact publisher's official support.

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