How to Download and Install Xbox One OSU1.zip File in 2021
If you own an Xbox One console, you might have encountered some problems with system updates. Sometimes, your console might not update successfully, freeze, display an error message, or not start correctly. In such cases, you might need to download and install the Xbox One OSU1.zip file, which is an offline system update file that can help you troubleshoot and fix your console issues. In this article, we will show you how to download and install the Xbox One OSU1.zip file in 2021, as well as some troubleshooting tips for common problems.
What is Xbox One OSU1.zip file?
The Xbox One OSU1.zip file is a file that contains the latest version of the Xbox One operating system and firmware. It allows you to update your console offline, without connecting to the internet. You can download this file from the Xbox website to a USB flash drive, and then install it directly onto your console using the Xbox Startup Troubleshooter mode. This process can help you resolve errors caused by an unsuccessful system update or other issues with your console software.
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Why do you need to download and install it?
You might need to download and install the Xbox One OSU1.zip file if you experience any of these situations:
Your console will not turn on or is stuck on a startup screen or black screen.
Your console displays an error message or error code during or after a system update.
Your console does not start correctly or has performance issues after a system update.
Your console has never been connected to the internet before or has been disconnected for a long time.
Downloading and installing the Xbox One OSU1.zip file can help you fix these problems and restore your console to normal functioning. It can also help you update your console to the latest version of the operating system and firmware, which can improve your gaming experience and security.
Steps to Download Xbox One OSU1.zip File
To download the Xbox One OSU1.zip file, you will need:
A Windows-based PC with an internet connection and a USB port.
A USB flash drive with a minimum of 6 GB of space formatted as NTFS.
Here are the steps to download the file:
Step 1: Prepare a USB flash drive
Most Most USB flash drives are formatted as FAT32 by default, which is not compatible with the Xbox One OSU1.zip file. You will need to format your USB flash drive as NTFS using your Windows PC. To do this, follow these steps:
Plug in your USB flash drive to your PC and open File Explorer.
Right-click on your USB flash drive and select Format.
Select NTFS from the File system drop-down menu and click Start.
Wait for the formatting process to complete and click OK.
Note: Formatting your USB flash drive will erase all the data on it, so make sure you back up any important files before proceeding.
Step 2: Download the OSU1.zip file from the Xbox website
Next, you will need to download the OSU1.zip file from the official Xbox website. To do this, follow these steps:
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Go to and scroll down to the section "Download the Offline System Update file".
Click on the link that says "OSU1" and save the file to your PC.
The file size is about 5.5 GB, so it might take some time to download depending on your internet speed.
Step 3: Extract and copy the file to the USB flash drive
After downloading the OSU1.zip file, you will need to extract it and copy it to your USB flash drive. To do this, follow these steps:
Right-click on the OSU1.zip file and select Extract All.
Select a destination folder for the extracted files and click Extract.
You should see a folder named "$SystemUpdate" with several files inside it.
Copy the entire "$SystemUpdate" folder to the root directory of your USB flash drive. Do not rename or modify any of the files inside it.
Eject your USB flash drive safely from your PC and keep it ready for the next step.
Steps to Install Xbox One OSU1.zip File
To install the Xbox One OSU1.zip file, you will need:
Your Xbox One console with a power cord and an HDMI cable.
Your USB flash drive with the OSU1.zip file copied to it.
A controller with fresh batteries or a USB cable.
Here are the steps to install the file:
Step 4: Power off your Xbox One console
Before installing the OSU1.zip file, you will need to power off your Xbox One console completely. To do this, follow these steps:
If your console is on, press and hold the Xbox button on your controller until the power menu appears.
Select Turn off console and confirm your choice.
If your console is in Instant-On mode, you will need to press and hold the Xbox button on the front of your console for about 10 seconds until it shuts down completely.
Unplug the power cord from your console and wait for at least 30 seconds before plugging it back in.
Step 5: Enter the Xbox Startup Troubleshooter mode
To install the OSU1.zip file, you will need to enter the Xbox Startup Troubleshooter mode, which is a special mode that allows you to perform offline system updates. To do this, follow these steps:
Plug in your HDMI cable to your console and your TV or monitor and turn on your TV or monitor.
Press and hold both the Bind button (the one with three horizontal lines) and the Eject button (the one with a triangle) on your console at the same time. You should hear two power-up tones within 10 seconds of each other.
After hearing the second power-up tone, release both buttons and wait for a few seconds. You should see a green screen with an Xbox logo and a progress bar.
This means that you have entered the Xbox Startup Troubleshooter mode successfully. If you don't see this screen, repeat steps 4 and 5 until you do.
Step 6: Plug in the USB flash drive and select Offline System Update
Next, you will need to plug in your USB flash drive with the OSU1.zip file copied to it and select Offline System Update option from the Xbox Startup Troubleshooter menu. To do this, follow these steps:
Plug in your USB flash drive to any USB port on your console.
Connect your controller to your console using a USB cable or fresh batteries.
Press the A button on your controller to select the Offline System Update option from the menu.
You should see a message that says "Searching for USB update". Wait for a few seconds until you see a message that says "Applying update".
This means that your console is installing the OSU1.zip file from your USB flash drive. Do not turn off or unplug your console or USB flash drive during this process.
Step 7: Wait for the update to complete and restart your console
The installation process might take several minutes depending on the size and speed of your USB flash drive and console. You can monitor the progress of the update on your TV or monitor screen. To complete the installation, follow these steps:
When the update is finished, you should see a message that says "Update complete". Press the A button on your controller to restart your console.
Your console will reboot and display a green screen with an Xbox logo and a progress bar. This means that your console is applying the update and preparing to start normally.
After a few minutes, you should see the Xbox One dashboard on your screen. This means that your console has successfully updated and is ready to use.
You can unplug your USB flash drive from your console and delete the OSU1.zip file from it if you want.
Troubleshooting Tips for Xbox One OSU1.zip File Installation
Sometimes, you might encounter some issues or errors when downloading or installing the Xbox One OSU1.zip file. Here are some troubleshooting tips that can help you solve common problems:
Tip 1: Check for known issues and service outages
Before downloading or installing the OSU1.zip file, you should check if there are any known issues or service outages that might affect your console or system update. To do this, follow these steps:
Go to and check if there are any alerts or notifications related to Xbox Live services, games, apps, or system updates.
If there are any alerts or notifications, read them carefully and follow any instructions or recommendations provided by Xbox support.
If there are no alerts or notifications, proceed with downloading or installing the OSU1.zip file as normal.
Tip 2: Restart the game or power cycle your console
If you experience any issues or errors after installing the OSU1.zip file, such as games not launching, freezing, crashing, or displaying error messages, you should try restarting the game or power cycling your console. To do this, follow these steps:
If you are in a game, press and hold the Xbox button on your controller until the power menu appears. Select Quit and confirm your choice.
If you are on the dashboard, press and hold the Xbox button on your controller until the power menu appears. Select Restart console and confirm your choice.
If restarting does not work, press and hold the Xbox button on the front of your console for about 10 seconds until it shuts down completely. Unplug the power cord from your console and wait for at least 30 seconds before plugging it back in.
Turn on your console and try launching the game again. If it works normally, you have successfully fixed the issue. If not, try another troubleshooting tip.
Tip 3: Test your network connection or use a different profile
If you experience any issues or errors related to network connectivity, such as not being able to sign in to Xbox Live, download games or updates, join parties or chat with friends, you should try testing your network connection or using a different profile. To do this, follow these steps:
Go to Settings > Network > Network settings and select Test network connection. Wait for the test to complete and check if there are any errors or warnings.
If there are any errors or warnings, follow any instructions or recommendations provided by Xbox support to fix them.
If there are no errors or warnings, go back to Network settings and select Test multiplayer connection. Wait for the test to complete and check if there are any errors or warnings.
If there are any errors or warnings, follow any instructions or recommendations provided by Xbox support to fix them.
If there are no errors or warnings, try signing in with a different profile or creating a new one. Go to Settings > Account > Sign in, security & passkey and select Add new or Switch profile. Follow the instructions to sign in or create a new profile.
Try launching the game or using the network feature again with the different profile. If it works normally, you have successfully fixed the issue. If not, try another troubleshooting tip.
Tip 4: Reset your console to factory defaults or request a repair
If none of the above troubleshooting tips work, you might need to reset your console to factory defaults or request a repair from Xbox support. To do this, follow these steps:
Go to Settings > System > Console info and select Reset console.
You will see two options: Reset and keep my games & apps and Reset and remove everything. Choose the option that suits your needs and follow the instructions to reset your console.
Note: Resetting your console will erase all your settings, accounts, and data on your console. Make sure you back up any important files before proceeding.
After resetting your console, try launching the game or using the network feature again. If it works normally, you have successfully fixed the issue. If not, you might need to request a repair from Xbox support.
Go to and scroll down to the section "Request a repair". Click on the link that says "Start a service order online" and follow the instructions to request a repair for your console.
Note: Requesting a repair might incur some costs depending on your warranty status and the type of issue. Make sure you read the terms and conditions carefully before proceeding.
Conclusion
In this article, we have shown you how to download and install the Xbox One OSU1.zip file in 2021, as well as some troubleshooting tips for common problems. Downloading and installing the OSU1.zip file can help you fix errors caused by an unsuccessful system update or other issues with your console software. It can also help you update your console to the latest version of the operating system and firmware, which can improve your gaming experience and security. We hope you found this article helpful and informative. If you have any questions or feedback, please feel free to leave a comment below.
FAQs
Here are some frequently asked questions about the Xbox One OSU1.zip file:
Q1: What is the size of the Xbox One OSU1.zip file?
A1: The size of the Xbox One OSU1.zip file is about 5.5 GB as of June 2021. However, this might change in the future as Microsoft releases new updates for the Xbox One operating system and firmware.
Q2: How long does it take to install the Xbox One OSU1.zip file?
A2: The installation time of the Xbox One OSU1.zip file depends on several factors, such as the size and speed of your USB flash drive, the condition of your console, and the version of the operating system and firmware you are updating to. Generally, it might take anywhere from 10 minutes to an hour or more to complete the installation process.
Q3: Can I use the Xbox One OSU1.zip file to update my Xbox Series XS console?
A3: No, you cannot use the Xbox One OSU1.zip file to update your Xbox Series XS console. The Xbox Series XS consoles have a different operating system and firmware than the Xbox One consoles, and they require a different offline system update file. You can find more information about how to update your Xbox Series XS console offline at .
Q4: What should I do if I get an error code during or after the installation?
A4: If you get an error code during or after the installation of the Xbox One OSU1.zip file, you should check what it means and how to fix it at . You can enter You can enter the error code in the search box and get a detailed explanation of what it means and how to fix it. You can also contact Xbox support for further assistance if the error persists or you are unable to resolve it yourself.
Q5: Where can I find more information and support for Xbox One system updates?
A5: You can find more information and support for Xbox One system updates at . You can also visit the Xbox forums, chat with an Xbox ambassador, or call Xbox support for more help and guidance. 44f88ac181
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