How do i perform a device software upgrade
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There are a couple ways to create a second device node. Certain device types have the ability to expose a second device node on one physical device, such as USB. You can use this functionality to create a device node targetable by WU, and install a firmware update driver on it.
Many device types, however, do not allow a single physical device to enumerate more than one device node. In this case, use an extension INF that specifies the AddComponent directive to create a device node that can be targeted by Windows Update and install the firmware update driver on it. The following snippet from an INF file shows how you can do this:. When installed, this INF creates the following device hierarchy:. To update firmware for devices that use a Microsoft-supplied driver, you need to create a second device node, as shown above.
PnP resolves this location when it installs the device. The driver can then open this registry key to determine the location of the payload. To locate another device node, the firmware driver should walk the device tree relative to itself, not by enumerating all device nodes for a match.
A user may have plugged in multiple instances of the device, and the firmware driver should only update the device with which it is associated.
Typically, the device node to be located is the parent or sibling of the device node on which the firmware driver is installed. For example, in the diagram above with two device nodes, the firmware update driver can look for a sibling device to find the function driver. Store that backup somewhere very safe and secure.
Backup again, and store that file somewhere else safe and secure. The best way to know if any issues will crop up during the upgrade is to try upgrading a copy of the live site.
Vital to the testing process is a shared mechanism for capturing and tracking issues. Issues should be described in detail, have a unique identifier for tracking purposes, have a current status, and be allocated to someone until fully resolved.
It is also important to allow time for, and manage expectations around, user acceptance testing. While an upgraded system might be functional, it might not fulfill all of the business requirements it was implemented to address. With your freshly upgraded staging site now deployed, tested and issues resolved, site administrators will need some time to ensure any new features and functionality introduced by the updates are configured correctly.
This might involve turning on or off features or updating settings to best accommodate your users. Preparing help files or user manuals, as well as technical documentation detailing any custom developments or deployment requirements is vital to the success of your current upgrade as well as any future upgrades. Leverage any documentation provided by the software supplier or your technology vendor and highlight the differences between versions to emphasize important changes in the new release.
Training the right people at the right time not only requires adequate training resources but adequate planning. Trainers and the trainees need to be available at the same time, in a suitable space.
The amount of training, the type of training, and the length of training will depend on the end-user facing functionality and feature changes within your upgraded software. For some helpful hints on selecting a training provider, check out this article. If your upgrade introduces a number of significant changes or you are timing the software upgrade with a re-release of the system, you will need to ensure your hosting setup will be able to cope with an increase in access and usage—if only for a short period of time.
You have a few options around your go-live including a complete switchover or running the old system and updated system in parallel for a period of time. Refer back to your rollout plan to make sure everyone knows their role and responsibilities for the release. There will probably be an initial demand on support resources after an upgrade has been released as users become acquainted with the new system.
Changes to ongoing support might be required as a result of new system features and functionality or changes to processes and policies. Ensure the support team has enough documentation, training, and coverage to meet demand going into the upgrade release. For some helpful hints on selecting a supporting vendor, check out this article. It is important to review the upgrade project in retrospect to identify what worked well and where improvements can be made for the next time an upgrade is required.
We use cookies in order to personalize your experience, display relevant advertising, offer social media sharing capabilities and analyze our website's performance. Cookie Preferences. How can we help you? Something Has Gone Terribly Wrong. If you tap Cancel instead, you can delete content manually from your device to add more space. Your device can update automatically overnight while it's charging. Here's how to turn on automatic updates:. Upgrading to the latest version of iOS or iPadOS software provides the latest features, security updates, and bug fixes.
Not all features are available on all devices or in all regions. Battery and system performance may be influenced by many factors including network conditions and individual use; actual results may vary. Before you update Back up your device using iCloud or your computer. Update your iPhone, iPad, or iPod touch wirelessly If a message says that an update is available, tap Install Now to update now. You can also follow these steps: Plug your device into power and connect to the internet with Wi-Fi.
If you see two software update options available, choose the one that you want to install. Tap Install Now. If you see Download and Install instead, tap it to download the update, enter your passcode, then tap Install Now.