Product update for My Cloud EX4

Make sure you stop all processes and save all your data before performing the firmware update.

Updating from firmware 1.02.xx:
  • This firmware update requires the user to unplug the power supply, wait for 5 seconds to re-plug, and power up My Cloud EX4.
  • Effective with this firmware update, the Network File System (NFS) feature will not be available or supported.

What's new! 
Firmware Release 1.05.21 (10/27/2014)
  • Resolved issue of Shellshock (CVE-2014-6271, CVE-2014-6277, CVE-2014-6278, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187) bash security vulnerability.
  • Supports 32K hybrid page sizes for enhanced device read and write performance.
  • Improved device dashboard user interface response time.
  • Supports disabling of media transcoding by turning off Cloud Access.
  • Supports creation of a share folder when creating user via 'Getting Started' or adding user through 'Users' page.
  • Supports media file name search in WD My Cloud mobile app.
  • Supports media view filtering in WD My Cloud mobile app.
  • Supports USB Backup from attached USB ports.
  • Supports RAID capacity expansion for utilize the maximum size of unused storage space.
  • Resolved issue of large data transfer interruption when copying files between the WD My Cloud EX4 and an attached USB drive.
  • Resolved issue of not able to change USB share name.
  • Resolved issue of not joining the domain after a reboot when setup with Link Aggregation to 802.3ad
  • Resolved issue of unable to restore to default setting after holding the reset button for 30 seconds while applying power.
  • Resolved problems with file transfer performance via MTP protocol.
  • Supports file/folder transferring in RAID 5 to maintain its structure when hot pulling one of the drives off the WD My Cloud EX4.
  • Resolved issue of Active Directory group not able to access private shares after joining the AD domain.
Updating the firmware on your WD My Cloud EX4 
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: My_Cloud_LT4A_1.02.xx.bin
  3. Save this to your desktop.
  4. Open the WD My Cloud EX4 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 My_Cloud_LT4A_1.02.xx.bin file and select it.
  8. You will see a pop up confirming to upgrade your firmware, click Ok.