One UI 4: The 9 Best Features for Samsung Galaxy Phones – MUO – MakeUseOf

One UI 4 is the next iteration of Samsung’s Android skin that’s based on Android 12. The Korean company’s Android skin has come a long way from its Touchwiz days, and One UI is easily among the best skins out there.

While Android 12 brings about a major visual overhaul, Samsung has not revamped One UI 4 completely. Instead, it has included the best bits of the update and added its own twists to some of them for improved functionality.

Below is a look at all the major new features in One UI 4 on Samsung Galaxy phones.

1. New System Animations and Dynamic Theming

Samsung has revamped the system animations as a part of the One UI 4/Android 12 update. They are more fluent and cohesive and take better advantage of the high refresh rate displays on newer Galaxy devices to offer a smoother user experience. There’s a new charging animation as well when you put your device running One UI 4 on charge.

Samsung has also adopted Material You-based dynamic theming in One UI 4, though with its own take. This means that system UI elements and Samsung’s apps will use a color palette based on your phone’s wallpaper. Alternatively, you can also choose from four other automatic color schemes.

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Samsung has redesigned its widgets in line with the new Android 12 style, which feature a more polished look with rounded corners. Some of the widgets also show a bit more data, but that’s about it—they have not gained any new functionality.

If you gave up on widgets previously or just never bothered to use them, the new polished look will give you enough reason to use them.


The One UI launcher has also received minor usability improvements and lets you use third-party icon packs via the Good Lock module Home Up. Dark mode support has also been extended to app icons on the home screen and app drawer.

Related: Tips to Improve Your Samsung Galaxy S21’s Battery Life

3. Redesigned Quick Settings Panel

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The Quick Settings panel has once again been redesigned in One UI 4. The icons are now more compact, with the brightness slider being made thicker for easier control. The notification grouping style has also changed in One UI 4, and it’s a bit more compact.

4. Improved System Apps

Some of the system apps have been upgraded and enhanced as a part of One UI 4. The Weather app, for example, has received a complete makeover with new animations.

Samsung Keyboard has also been improved and allows you to directly add emojis, GIFs, and stickers with just a single tap. You can also create custom emojis by mixing two different emojis and animating them. Grammarly now powers the built-in grammar checker to keep your typing errors at bay.

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The Share menu gets a handy upgrade in One UI 4 and lets you customize the order in which the items are displayed. Plus, you can add apps or contacts to the Favorites bar in the Share menu so that you can quickly share data with them.

6. Privacy Improvements

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Samsung has incorporated all of the new Android 12 privacy features in One UI 4. When you open an app for the first time, you’ll be prompted to allow notifications from it. Unless you do so, any app that you install won’t be able to send you notifications.

Another notable change in Android 12 is the ability to share your approximate location with apps. Whenever an app asks for your location, you’ll have the option to share your Precise or Approximate location with it.

There are also tiles in the Quick Settings panel that will let you completely disable camera and microphone access with just a single tap. A green indicator will also be shown on the status bar whenever an app accesses the camera or microphone.

Taking a cue from iOS 15, you can also get an alert whenever an app accesses the clipboard content on your device in One UI 4.

7. Device Care

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The Battery and Device Care menu has received a complete overhaul in One UI 4, though it shows the exact details as before, just in a better manner. The Optimize now button sits right at the top and displays the current optimization status of your phone. Below that, you can find options to jump into the Battery, Storage, or Memory menus.

The Software update and Diagnostics sub-menus are new additions to this settings page, with the latter letting you run various tests to see if your phone is working correctly or not.

8. eSIM Support in the US on Galaxy S21

The Galaxy S21 series have had eSIM support since launch, but the feature was not available on the US variants for some reason. The One UI 4 update enables eSIM support on the unlocked, T-Mobile, and Verizon variants of the Galaxy S21 in the US.

9. Camera App Enhancements


The Camera app is getting some enhancements in One UI 4 as well. Firstly, it shows the zoom numbers on the relevant buttons instead of an icon, so that you can know the amount of zoom you had to apply before taking a picture.

You can also seamlessly start recording a video from the Photo mode in the Camera app by simply dragging the shutter button to the top and locking it there.

One UI 4 Focuses on Usability Improvements

One UI 4 may not seem like a significant update on the surface, but it does bring some notable usability improvements to the table. The privacy enhancements are also always welcome and will help keep your data safe and secure from shady apps.

The Korean giant has not only improved its Android skin but now also manages to roll it out faster than almost every other Android OEM. The Galaxy S20 and S21 series, the A52 and above, Samsung’s foldable phones, and the Note 10 are among the devices that will receive One UI 4. It will also feature on new devices throughout 2022, including the Galaxy S22.

Samsung Galaxy S21 Ultra in hand
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