Dell Wyse ThinOS Version 9.1 Migration Guide


Upgrade ThinOS 9.x to later versions


  • The thin client must be registered to Wyse Management Suite.
  • Create a group in Wyse Management Suite with a group token.
  • Ensure you have downloaded the latest version of the ThinOS 9.x operating system image.


  1. Go to the Groups & Configs page, and select a group.
  2. From the Edit Policies drop-down menu, click ThinOS 9.x.
    The Configuration Control | ThinOS window is displayed.
  3. In the left pane, click Standard.
  4. From the Standard menu, expand Firmware, and click OS Firmware Updates.
    NOTE If you cannot locate the operating system firmware option under the Standard tab, use the Advanced tab.
  5. Click Browse and select the ThinOS firmware to upload.
  6. From the Select the ThinOS Firmware to deploy drop-down menu, select the uploaded firmware.
  7. Click Save & Publish.
    The thin client downloads the firmware and restarts. The firmware version is upgraded.
    NOTE If upgrade from ThinOS 9.0 to 9.1, it is recommended to upgrade the OS image before proceeding further. After upgrading to 9.1, install application packages. If the OS image and application packages are in the same WMS group to upgrade. ThinOS 9.0 downloads and installs the application packages even before installing the OS image. After upgrading to ThinOS 9.1, all the existing application packages are cleared, and then the application packages are downloaded and installed again. If you add many application packages with OS image in the same WMS group, the upgrade may fail due to low disk space. If the upgrade fails due to low disk space, then you must reset to factory settings to initiate the upgrade.
    NOTE Make sure that the 5070 BIOS version is 1.3.1 or later before upgrading to ThinOS 9.1. If you upgrade to ThinOS 9.1 with earlier BIOS version and then upgrade the BIOS version to 1.3.1 or later, it may fail to boot up the devices.

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