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Dell Wyse ThinOS Version 9.0 Operating System Release Notes


Upgrade to ThinOS 9.0.3030


  • Ensure that you have upgraded to ThinOS v9.0.1136 or later.
  • Ensure that your thin client is registered to Wyse Management Suite v2.1.
  • Ensure that you have created a group in Wyse Management Suite with a group token.
  • Ensure that you have downloaded the ThinOS v9.0.3030 firmware from
  • Ensure that you have removed the Wallpaper related settings in Wyse Management Suite ThinOS 9.x policy if you are upgrading to ThinOS 9.0.3030 from ThinOS 9.0.1136.


  1. Log in to Wyse Management Suite.
  2. Go to the Groups & Configs page, and select your preferred group.
  3. From the Edit Policies drop-down menu, click ThinOS 9.x.
    The Configuration Control | ThinOS window is displayed.
  4. In the left pane, click Advanced.
  5. From the Advanced menu, expand Firmware, and click OS Firmware Updates.
  6. Click Browse and select the ThinOS firmware to upload.
  7. From the Select the ThinOS Firmware to deploy drop-down menu, select the uploaded firmware.
  8. Click Save & Publish.
    The thin client downloads the firmware and upgrades within 120 seconds.
    NOTE Dell Technologies recommends that you upgrade ThinOS version 9.0.1136 directly to version 9.0.3030 from September 9, 2020 onwards. Do not update ThinOS version 9.0.1136 to version 9.0.2081 or 9.0.2108 after September 9, 2020 as it may result in certificate failure.

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