Dell ThinOS 10.x Migration Guide

Download ThinOS firmware, BIOS, and application packages

Explains how to download ThinOS 10.x firmware, BIOS, and application packages from the Dell Support site. It includes step-by-step instructions to locate and download specific update packages for different upgrade scenarios, supported models, and use cases—such as upgrading from ThinOS 9.x, converting from Dell Hybrid Client, and installing add-on packages like Citrix, Omnissa, Zoom, and more.

1. Go to Support | Dell.
2. Click Browse All Products.
3. Click Computers.
4. Click Thin Clients.
5. Click Wyse Software.
6. Click Dell ThinOS.
7. Click Select This Product.
8. Click Drivers & Downloads.
9. Select the Operating System as ThinOS 10.
10. Locate the required ThinOS Image entry and click Download.

    Table 1. Available ThinOS 10.x 25xx package optionsAvailable ThinOS 10.x 25xx package options

    Scenario	ThinOS 10 package title	File name
    Upgrade from ThinOS 10.x 2502 to ThinOS 10.x 25xx (same version family)	ThinOS 10 25xx Firmware Upgrade Package	RootOS_25xx_10.0xxx_T10.pkg
    Convert Dell Hybrid Client or Ubuntu 24.04 for Managed Clients to ThinOS 10	Dell Hybrid Client/Ubuntu 24.04 for Managed Clients to ThinOS 10 25xx Conversion Package	DellHybridClient_Ubuntu_To_ThinOS10_conversion_25xx_10.xxx.tar.gz
    Download Dell Recovery Image	ThinOS 10 25xx Offline USB Installer Package	ThinOS10_25xx_0127.iso
    Upgrade from ThinOS 9.5.3102 or later to ThinOS 10.x 25xx	ThinOS 9.5.3102 or later to ThinOS 10 25xx Upgrade Package	Root_25xx.10_0xxx_signed.pkg

11. To use ThinOS packages, select the package and click Download.
    For more information, see ThinOS 10.x 25xx application packages.
12. To install the latest BIOS package, select the BIOS package <version>—entry corresponding to your thin client model, and click Download.
    For information about BIOS installation, see BIOS Installation.