ThinOS 8.6 to ThinOS 9.1.4234 Base Image file for Dell Wyse 3040 Thin Clients

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 image is supported on Dell Wyse 3040 Thin Clients and is intended for customers who want to upgrade from ThinOS 8.6_807 to ThinOS 9.1.4234.
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Fixes & Enhancements

Support the following new features and/or enhancements.

- Citrix updates
Browser Content Redirection (BCR) with Chromium Embedded Framework (CEF) is enabled by default.
Added RSA+LDAP in NetScaler/ADC Authentication Method.

- Horizon Blast updates
Bloomberg keyboard STB100 mapping
Microsoft Teams Optimization
Supports High Efficiency Video Coding (HEVC) which is also known as H.265 in this release.
Supports syncing an iPhone or an Android smartphone into a Blast session.

- WVD update
Supports printer

- Zoom optimization update
Added HTTP proxy support for anonymous authentication.

- ThinOS local update
IPv6 is enabled by default for wired and wireless networks.

For more information, see the latest Dell Wyse ThinOS 9.1.4234 Release Notes at www.dell.com/support.
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Version

9.1.4234, 9.1.4234

Release date

25 Oct 2021

Download Type

Operating Systems

Category

Operating System

Importance

Recommended
Dell 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.
Available formats View Important Information

File Format: Firmware Images
File Name: OS_Web_9.1.4234_3040.zip
File Size: 194.49 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
To ensure the integrity of your download, please verify the checksum value.
MD5:
3b66248fcc8ff0a0425fa77b2caa46d1
SHA1:
6c02eca6964c5597dfc9fadde1705245222bb093
SHA-256:
bbb4d6302ef2b1d975bdbb487be2eade03be4e7619e706c33c79bd939a8ac2a5

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- Do not power off your thin client until the installation is complete.

- If you are using earlier versions of ThinOS 8.6, you must first upgrade to ThinOS 8.6_807 and apply the latest BIOS updates before upgrading to ThinOS 9.1.4234. If you are using ThinOS 9.0, or any version of ThinOS 9.1 that is older than 9.1.3129, you must first upgrade to ThinOS 9.1.3129 before upgrading to ThinOS 9.1.4234.
For more information, see the Dell Wyse ThinOS Version 9.1.4234 Migration Guide at www.dell.com/support.

- If you are downgrading ThinOS 9.1.4234 to ThinOS 8.6, ThinOS 9.0, or ThinOS 9.1 versions that are older than 9.1.3129, you must use the Dell Wyse USB Imaging Tool to install the ThinOS 8.x or 9.x Merlin image that is posted to www.dell.com/support.

- Before you downgrade, ensure that you disable the secure boot option. If you want to downgrade to ThinOS 9.0, you must also clear Trusted Platform Module (TPM) or Platform Trust Technology (PTT) in BIOS. Else, ThinOS resets to factory settings after each reboot. You can downgrade from ThinOS 9.1.4234 to ThinOS 9.1.3129 using Wyse Management Suite.

- You cannot boot into ThinOS 9.1.4234 when you perform any of the following operations in BIOS setup:
Disable the on-board Network Interface Card (NIC), Trusted Platform Module (TPM), or Platform Trust Technology (PTT).
Clear TPM or PTT.
Reset BIOS to factory default settings

- You cannot install ThinOS 9.0 application packages on ThinOS 9.1 due to certificate change.

For more information, see Important notes section in the latest Dell Wyse ThinOS 9.1.4234 Release Notes at www.dell.com/support.
Installing the ThinOS firmware using Wyse Management Suite:

Before you upgrade
- If you are using earlier versions of ThinOS 9.x, you must upgrade to ThinOS 9.1.3129 before upgrading to ThinOS 9.1.4234.
- If you are using ThinOS 8.6, you must upgrade to ThinOS 8.6_807 and apply the latest BIOS updates before upgrading to ThinOS 9.1.4234.
- If you are using ThinOS v8.5 or earlier versions, you must first upgrade your device to ThinOS 8.6_807 and apply latest BIOS updates before installing ThinOS 9.1.4234.
- Your system must be powered on and the sleep mode must be disabled on the system. If the system has entered the sleep mode, you must send the WOL command using Wyse Management Suite before using any real-time commands. To use the WOL command, ensure that the Wake-On-LAN (WOL) option is enabled in BIOS.
- The BIOS version on Wyse 5070 Thin Client must be 1.3.1 or later before you upgrade to ThinOS 9.1.4234. If you upgrade to ThinOS 9.1.4234 with older BIOS version first and then upgrade to BIOS 1.3.1 or later, the device fails to boot the ThinOS operating system.
- The ThinOS conversion image must be added to the ThinOS firmware repository.
- Create a group in Wyse Management Suite with a group token.
- The thin client must be registered to Wyse Management Suite.

Steps
1. Go to the Groups & Configs page, and select a group.
2. From the Edit Policies drop-down menu, click ThinOS.
The Select ThinOS Configuration Mode window is displayed.
3. Select Advanced Configuration Mode.
4. Go to Firmware Upgrade, and click Configure this item.
5. Clear the Disable Live Upgrade if you want to upgrade immediately and clear the Verify Signature check box as well.
6. From the Platform Type drop-down list, select the platform.
7. From the Firmware to auto-deploy drop-down list, select the firmware added to the repository.
8. Click Save & Publish.
The firmware is deployed to the thin client. The conversion process takes around 10 minutes, and the thin client restarts automatically. After the upgrade is complete, the device is automatically registered to Wyse Management Suite.
NOTE: The download of the ThinOS 9.1.4234 image from Wyse Management Suite (both private and public cloud) to the thin client takes around nine minutes depending on the network bandwidth or cloud server performance. The device
reboots after the ThinOS image has been downloaded. After the upgrade is complete, the device is automatically registered to Wyse Management Suite.
NOTE: If a black screen is displayed after the upgrade, you must perform a hard reboot.

Important notes
- The device reboots after the ThinOS image is downloaded. Once the upgrade completes, the device is automatically registered to Wyse Management Suite. For information about how to update the settings, see the Dell Wyse ThinOS Version 9.1.4234 Migration Guide at www.dell.com/support. Dell Technologies recommends you to back up your device settings before you initiate the upgrade process.
- All device settings are erased after you upgrade from ThinOS 8.6 to 9.1.4234 except the following settings:
Wyse Management Suite group token and server settings
Static DNS
Certificates
IEEE802.1x wired authentication settings
Wireless connections - The WEP/Sharekey security type is changed to Open as they are not supported in ThinOS 9.1.4234.
Proxy settings

For more information about the firmware upgrade process, see the Dell Wyse ThinOS 9.1 Migration Guide at www.dell.com/support.

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