What Causes the Error UI-800-3?

The cause of this problem is not specific and a number of factors could be causing the issue, some of the causes are Now that you have a basic understanding of the causes of the problem. We move forward to trying the solutions below.

Restart Your Streaming Service.

In some cases, the solution to the problem is as simple as restarting your streaming device. This involves completely shutting down your device for a couple of minutes and restarting it for this we will try the following procedure This is the most basic troubleshooting procedure that you can try if this does not work then move on to the next solution

Sign Out or Reset the Settings

This procedure depends on your streaming device if your streaming device does not allow you to sign out it should have an option to reset all the settings make sure you try that before moving on to the next step. However, if your streaming service does allow you to sign out follow the below-mentioned procedure NOTE: This will sign Netflix out of all the devices you use Netflix on.

Clear The Netflix App Cache

Some devices automatically clear the device cache when you power-cycle them. If you are using one of those devices then your cache will automatically be cleared after you try the first solution mentioned above. However, if your device does allow you to delete your cache then try to follow this procedure NOTE: This Procedure is Different for specific devices This clears the cache for your Fire TV or Fire TV Stick.

For a ROKU device

Reinstall Your Netflix App

If the problem still persists then it should be with the Netflix app itself. Some devices don’t allow the app to be uninstalled, if you are using one of those devices then you cannot reinstall it.  However, if the device does allow you, then reinstalling the app could solve your problem

Reset the Netflix App from the Error Message

A user may face the UI 800 3 error on the Netflix app due to a temporary glitch in the app modules as the app fails to load the essential modules to the device’s memory. Here, resetting the Netflix app through the error message may solve the problem.

Perform a Cold Restart of the Networking Equipment

A temporary communication glitch between the device and Netflix servers may cause the UI error 800-3 as the app fails to access its servers. In this case, performing a cold restart of the networking equipment (router, extenders, etc.) may solve the problem.

Change the Screen Resolution of the Device

If there is a screen resolution mismatch between the streaming device (like Roku) and TV, then that may trigger the UI 800 3 error on Netflix as the app fails to output content at the required screen resolution. In this case, changing the screen resolution may clear the error. For illustration, we will discuss the process for a Shield TV.

Change the DNS Settings of the Device

If the ISP’s DNS servers are not able to translate the web addresses of the Netflix servers promptly, then the Netflix app may fail to execute with the error UI-800-3 as the app cannot communicate with its servers. In this scenario, changing the DNS settings of the device may clear the Netflix error. For illustration, we will discuss the process of changing the DNS settings of a Samsung TV.

Set the HDMI Optimization of the Device to Best Framerate

If there is a mismatch between the framerate of the streaming device (like MiBox) and the TV, then that may cause the Netflix UI error at hand as the app fails to produce the required framerate. Here, setting the HDMI Optimization of the streaming device to the best framerate may resolve the issue. For illustration, we will discuss the process for a MiBox.

Disable the Quick Start/Quick Boot Feature of the Device

Modern devices are equipped with a Fast Startup/Quick Start/ Quick Boot feature. This feature reduces the boot time of a device but if the feature “overlooks” a resource essential for the Netflix app, then that may cause the UI error under discussion as the app fails to access the device resources overlooked by the feature. In this case, disabling the Quick Boot/ Quick Start feature of the device may solve the problem. For illustration, we will go through the process of disabling the QuickStart feature of an LG TV.

Update the Device’s Firmware to the Latest Build

You may encounter the UI 800 3 error on Netflix if the device’s firmware (a TV, Mi-Box, Roku device, etc.) is outdated as it may cause incompatibility between the device and the Netflix app. In this context, updating the device’s firmware to the latest build may clear the error. For illustration, we will discuss the process to update the firmware of an LG TV.

Try Another Network

A user may encounter the Netflix error UI-800-3 if the ISP is hindering the traffic between the device and Netflix servers. Due to this ISP interference, the data packets may fail to parse by the Netflix app or its servers. Here, trying another network on the device may clear the Netflix error at hand.

Reset the Device to the Factory Defaults

The Netflix app may show the UI 800 3 error if the device’s firmware is corrupt and due to this corruption, the app fails to access essential device resources. Here, resetting the device to its factory defaults may clear the Netflix error. For elucidation, we will discuss the process of resetting an LG TV to the factory defaults.   If none of the above worked, then a user may use the Netflix addon of Kodi (if supported) to watch Netflix. In the case of a TV or streaming device, a user may use the mobile app of Netflix (by sideloading it) or may try an older version of the Netflix app.

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