With Android 12 released for AOSP and coming soon to Pixel devices, major phone manufacturers like Oppo and Samsung are ready to showcase their latest software skins. Not so long ago, OnePlus released OxygenOS 12, an interesting update to say the least. However, in order not to be left behind, Samsung has been constantly releasing its own betas of Android 12 since Android 12 was announced. A UI beta is something many Samsung users are looking forward to testing on their devices to get an early glimpse of the upcoming release. features and improvements. Well, this year is no different, as the latest One UI 4.0 beta is already out for the Galaxy S21 series. So, if you are among Samsung members who want to try the latest beta, read on as this article teaches you how to download and install One UI 4.0 on your devices.
Install A UI 4.0 Beta On Galaxy S21 Phones (2021)
While the guide below will teach you how to install One UI 4.0 beta on your Galaxy S21 devices, we will also cover a few key points to keep in mind before moving forward. If you prefer to just check the installation process, use the table below to jump to the section.
Things to Keep in Mind Before Upgrading to One UI 4.0
Samsung’s Android 12-based One UI 4.0 beta brings a plethora of new features that you can start testing right away. However, as with beta software, there are a few points to consider before you start. Keep the following points in mind:
1. A Compatible Samsung Phone is Required
As of now, the only devices where the One UI 4.0 beta is out are the Samsung S21, S21 Plus and S21 Ultra. If you are a Samsung user but have another phone, unfortunately you cannot experience the One UI beta at this time. But don’t worry as we expect beta support to arrive for more devices as time goes on.
2. You Will Need The Domestic Country’s SIM Card
Depending on where you purchased your Galaxy S21, you will need a SIM card from the same country. For example – Users residing in India must have an Indian S21 and a local SIM card for beta registration. You can try another country’s SIM card, but it didn’t work that well for us.
3. Make Sure You Have Created a Data Backup
We cannot emphasize this enough. Make sure you have a complete backup of your device data and other sensitive information before proceeding. While One UI 4 beta should install without any data loss, it is always best to be careful and backup your valuable data.
4. A UI Beta Will Be Unstable
Beta software is a way for developers to test their early creations, so you are likely to encounter some bugs and bugs. Rest assured, bugs that may occur when using One UI 4.0 are completely natural and will be fixed as future builds are released. However, this also means that you should not upgrade to the One UI 4 beta if you are using your Galaxy S21 as a daily driver. We recommend waiting for the official release as it will be a stable release.
One UI 4 Beta Supported Countries
According to the information we have, Samsung has already released the One UI 4.0 beta for the following countries this year:
- India
- South Korea
- Chinese
- Germany
- Poland
- United States (USA)
- United Kingdom (England)
We don’t think the South Korean giant plans to support more countries in 2021, but you can always wait and see if that will change.
How to Register and Download One UI 4 Beta on Galaxy S21
Since Samsung One UI 4 beta is officially available Samsung Members (free) itself, we will use it. Galaxy S21 device owners who want the One UI 4 beta must download, install, and sign in to the app before proceeding. Also, as mentioned above, make sure to backup your data and then follow these steps:
one. Samsung Members The app on your Galaxy S21 device.
2. From the home screen bell icon At the top right to go to the Notifications section.

3. Tap the ‘ icon.Registrations for the One UI Beta Program‘ notification.

4. You will now see a summary explaining all the points and FAQs about One UI 4.0 beta for Samsung devices. After you’ve finished reading, tap the beta image with ‘.Join Now‘ button.

5. A list of terms and conditions will now open on your device. Read them if you wish or scroll to the end and Tap the ‘Register’ button.

6. Next, tap ‘.To accept‘ in the ‘One UI Beta Program’ dialog that appears.

And that’s it. You have completed the One UI 4 beta registration. should take about 10 minutes In the meantime, you can reboot your Galaxy S21 to finish the registration process. Let’s start downloading the software now.
7. Settings application On your Galaxy S21 device.

8. Scroll down and click ‘Software update – > Download and Install‘.

9. Now you will see that the One UI 4 beta update is waiting for you and you can start downloading it.

You can scroll through the list of the best One UI 4 features in the changelog or read our extensive hands-on article to find out what’s new. Tap install after download and your phone will reboot to install the new One UI 4 beta. Installation approx. 10-15 minutes. Once you are done, you can start using the latest Android 12 based One UI skin on your Samsung Galaxy S21, S21 Plus or S21 Ultra right now.
Easily Install One UI 4.0 Beta on Galaxy S21 Devices
We hope this guide will give you an effortless experience installing the latest One UI 4 beta on your Samsung phone. OnePlus users who stumble upon this guide can also easily install OxygenOS 12 on their OnePlus 9 and 9 Pro devices. Android users interested in learning about the best Android 12 features can check out the linked article. You can also find out all about the Pixel 6 and 6 Pro ahead of launch here, along with Google’s plan to outshine Samsung and offer five years of security updates. Did you run into any problems installing the One UI 4.0 beta? Let us know in the comments below and we’ll try to help you.