ThinOS 2205 (9.3.1129) Recovery Image file
Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.This package contains the ThinOS 2205 (9.3.1129) Recovery Image file for OptiPlex 3000 Thin Client and Latitude 3420. This image is intended for customers who want to install ThinOS 2205 (9.3.1129) recovery image.
To view all drivers for your OptiPlex 3000 Thin Client, go to Drivers and downloads.
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OS_ISO_2205_9.3.1129.zip | 898.87 MBEnter the Service Tag of your device to check the compatibility of this download with your device.
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File Format:
Firmware Images
File Name:
OS_ISO_2205_9.3.1129.zip
File Size:
898.87 MB
Format Description
To ensure the integrity of your download, please verify the checksum value.
MD5:
a6da3453f081b33c2e573e7a25ad2eac
SHA1:
19e6cb2b958dfdbe13e29526f1fe366a3539bf83
SHA-256:
08598b9eef95ccc38ff4c06536db0c8949fd75200783f325ccd11c768c8b5c93
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Fixes & Enhancements
ThinOS enhancements:
- Added ThinOS Activation licenses in Wyse Management Suite.
- Supports Latitude 3420.
- Added support for MJPEG format in Camera.
- Added the wireless IP address information in the Wi-Fi icon tooltips.
- Updated the peripherals list description in the Devices tab.
- Added support for ELO ET2202L-2UWA-0-BL-G touch screen monitor.
- Added Wyse Management Suite server drop-down list in ThinOS Central Configuration client menu.
- Updated the Wyse Management Suite ThinOS 9.x Policy/Admin Policy Tool.
Read More
- Added ThinOS Activation licenses in Wyse Management Suite.
- Supports Latitude 3420.
- Added support for MJPEG format in Camera.
- Added the wireless IP address information in the Wi-Fi icon tooltips.
- Updated the peripherals list description in the Devices tab.
- Added support for ELO ET2202L-2UWA-0-BL-G touch screen monitor.
- Added Wyse Management Suite server drop-down list in ThinOS Central Configuration client menu.
- Updated the Wyse Management Suite ThinOS 9.x Policy/Admin Policy Tool.
Version
2205 (9.3.1129), 2205 (9.3.1129)
Release date
30 May 2022
Download Type
Operating Systems
Category
Operating System
Importance
RecommendedDell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Important Information
- Do not power off your thin client until the installation is complete.
- You cannot boot into ThinOS 2205 (9.3.1129) or later versions when you perform the following operations:
Disable the onboard Network Interface Card (NIC), Trusted Platform Module (TPM), or Platform Trust Technology (PTT).
Clear TPM or PTT.
Reset BIOS to factory default settings.
For more information about the updates, see the Dell Wyse ThinOS Version 2205 Release Notes at www.dell.com/support.
- You cannot boot into ThinOS 2205 (9.3.1129) or later versions when you perform the following operations:
Disable the onboard Network Interface Card (NIC), Trusted Platform Module (TPM), or Platform Trust Technology (PTT).
Clear TPM or PTT.
Reset BIOS to factory default settings.
For more information about the updates, see the Dell Wyse ThinOS Version 2205 Release Notes at www.dell.com/support.
Other Available Versions
251127 Nov 2025
2508 (9.6.3071)28 Aug 2025
2505 (9.6.2085)28 May 2025
2502 (9.6.1080)28 Feb 2025
2411 (9.5.4070)28 Nov 2024
2408 (9.5.3102)05 Sep 2024
2402 (9.5.1079)19 Mar 2024
2311 (9.4.4123)03 Jan 2024
2311 (9.4.4106)21 Dec 2023
2308 (9.4.3087)31 Aug 2023
2306 (9.4.2103)30 Jun 2023
2303 (9.4.1141)31 Mar 2023
2211 (9.3.3099)07 Dec 2022
2208 (9.3.2102)30 Aug 2022
9.1.610807 Mar 2022
9.1.409701 Mar 2022
Supported Operating Systems
ThinOS PCOIP
Looking for a different OS? View the list of Dell supported operating systems
Installation instructions
Follow below steps to install ThinOS 2205 (9.3.1129) recovery image:
1. Download and install Dell OS Recovery Tool on Windows from https://www.dell.com/support/osrecovery.
2. Download and extract OS_ISO_2205_9.3.1129.zip at www.dell.com/support.
3. Plugin a USB disk to Windows, and open Dell OS Recovery Tool.
4. Click SWTICH TO ADVANCED RECOVERY.
5. Browse the ThinOS_2205_9.3.1129.iso file and click NEXT (Do not select any other option).
6. Select the USB disk and click BURN OS to create the recovery USB disk.
7. Power on the destination machine with the USB disk and Press F12.
8. Select the USB disk in the boot device list (Ensure you have enabled USB boot support in BIOS setup).
9. On the install window select the OS image and the application packages that you want to install, and press Enter.
10. Wait till all files copied to the destination machine and it will auto power off.
11. Power on the machine, will continue the installation process.
1. Download and install Dell OS Recovery Tool on Windows from https://www.dell.com/support/osrecovery.
2. Download and extract OS_ISO_2205_9.3.1129.zip at www.dell.com/support.
3. Plugin a USB disk to Windows, and open Dell OS Recovery Tool.
4. Click SWTICH TO ADVANCED RECOVERY.
5. Browse the ThinOS_2205_9.3.1129.iso file and click NEXT (Do not select any other option).
6. Select the USB disk and click BURN OS to create the recovery USB disk.
7. Power on the destination machine with the USB disk and Press F12.
8. Select the USB disk in the boot device list (Ensure you have enabled USB boot support in BIOS setup).
9. On the install window select the OS image and the application packages that you want to install, and press Enter.
10. Wait till all files copied to the destination machine and it will auto power off.
11. Power on the machine, will continue the installation process.
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