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One UI 4.0: How to enable AOD (Always On Display) on Samsung phones running Android 12



Samsung is currently working to provide the Android 12-based One UI 4 Beta version to its several high-end Galaxy devices. The company has already announced two One UI 4 beta updates for its latest flagship Galaxy S21 series smartphone users in select regions. With One UI 4 Beta 2, Samsung has made various changes to the user interface and functions.

Furthermore, Samsung also confirmed that the stable Android 12 update will start releasing to the Galaxy handsets later this year, however, Google, later on, reconfirmed the arrival.

Always On Display or AOD

Always On Display or AOD is a feature available on certain Samsung smartphones. The AOD feature on your Galaxy phone lets you view the time, date, notifications, missed calls, and more when the screen is turned off. With the One UI interface, you can do even more with AOD.


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With this feature, you can view missed calls and message alerts, check the time and date, and view other customized information without unlocking your device using Always On Display(AOD).

How to enable Always On Display (AOD) on Galaxy S21 devices

  1. From Settings, tap Lock screen > Always On Display.
  2. tap on the Toggle to enable the AOD.

Choose when to show a clock and notifications on the screen when the device is not in use:

  • Tap to show for 10 seconds, Show always, or Show as scheduled.

Clock style:

  • Change the style and color options for the clock on the Lock screen and Always-on Display.


Show music information:

  • Show music details when the FaceWidgets music controller is in use.

Screen orientation:

  • Display the AOD in portrait or landscape mode.

Auto brightness:

  • Automatically adjust the brightness of Always On Display.

About Always On Display:

  • View the current software version and license information.

NOTE: Some display settings can appear on both the Lock screen and Always On
Display. For more information, see Clock and information.

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How to resolve these common Samsung Galaxy Z Fold 3 problems



Samsung Galaxy Z Fold 3

Samsung Galaxy Z Fold 3 is the 3rd generation best Samsung (or anyone else) has ever produced. It improves the durability of the Z Fold 2, which provides water resistance with IPX8, Gorilla Glass Victus, and “sweeper” bristles inside the hinge to retain dust and extend the duration of the phone.

It is also an excellent all-around tool, boasting a Qualcomm Snapdragon 888 processor and a three-lens rear camera system. On top of this, it goes fold out, making it great for you to do multitasking work and make a product, watch TV and media, and entertain your friends.

Regarding, a state-of-the-art condition like the Z Fold 3, it may not be completely free of problems with lubricants and technical equipment. Fortunately, we have compiled a list of common Samsung Samsung Z Fold 3 problems and how to fix them.


This gives you details on everything from battery discharge issues to issues with Samsung Pay, helping you make the most of your new phone and not letting small snags ruin your enjoyment.

As with our troubleshooting pieces, this article will be updated as we encounter new common issues, so please come back again if the issue you are facing isn’t covered yet.

Galaxy Z Fold 3

Camera app not displaying Dual Screen button for selfies – Issue

A number of users on Samsung’s Community forum have noted that, when trying to take a selfie in the Camera app, they don’t see the Dual Screen button.



  • Fortunately, there’s a very quick fix for this. As other Samsung Community users have noted, opening the Camera app from the cover screen (rather than the main screen) will ensure that the Dual Screen button appears where it should.

Screen protector problems

Some users of the Z Fold 3 have encountered a variety of issues with the phone’s pre-installed screen protectors. These problems aren’t always exactly the same, with some reporting bubbles and others reporting inconsistencies in the protector’s adherence to the screen.

Since such issues can be frustrating, you are strongly advised not to remove the pre-installed screen protector, especially when talking about a large folding screen. Instead, you should contact Samsung as soon as possible to arrange a repair or replacement.

On the other hand, at least one user asked if it was safe to remove the outer film that came wrapped in wire outside the box.


Unable to acquire GPS location in apps – Issue

Even though the Z Fold 3 has only just been released, some users have already complained that apps they use are unable to receive their GPS location data from the phone.

Possible solutions

This is an issue that has affected other Samsung devices in recent years, so you may simply have to wait for a software update for a fix. You can check if one is available by doing the following:

  1. Open the Settings app on your device.
  2. Scroll down to Software Update.
  3. Select Download and Install.
  4. If a new update is available, your device will obtain it.

Can’t activate unlocked Z Fold 3 on Sprint – Issue

This is one of the more complicated and difficult problems encountered so far with the Galaxy Z Fold 3. Quite a large number of United States-based users have reported that they can’t activate their phones on Sprint. This seems to be an issue arising from T-Mobile’s merger with Sprint and from how Samsung has optimized the phone (or not) for using a T-Mobile or Sprint SIM card.


As of writing, the only fix appears to be contacting T-Mobile and/or Sprint and trying a different SIM card (i.e., a T-Mobile rather than Sprint SIM). That said, some users have reported that the issue was resolved after several days, with a few noting that they were eventually able to activate their phones via either the T-Mobile or Sprint websites.

S Pen to Text not working properly – Issue

couple of users have reported that the Convert Handwriting to Text feature on their Z Fold 3 phones doesn’t work properly. Normally, this lets users of the Samsung Notes app handwrite a phrase or sentence and then convert it into normal text. Unfortunately, the affected users note that the process of conversion malfunctions, with random words appearing where they shouldn’t.

Possible fixes

  • As of writing, there isn’t a definitive solution for this. You may simply have to wait for a software update from Samsung and then install it, which you can do by going to Settings > Software Update > Download and Install.
  • Given the Samsung Notes app is responsible for converting handwriting, you may also want to try updating it. This can be done by going to the Google Play Store, searching for Samsung Notes, and then tapping Update.

Galaxy Z Fold 3

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Aside from SammyFans’ official Twitter and Facebook page, you can also join our Telegram channel and subscribe to our YouTube channel to get notified of every latest development in Samsung and One UI ecosystem. Also, you can follow us on Google News for regular updates

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Here are seven excellent features that Samsung DeX has to offer




Samsung DeX is certainly the best way to get a desktop-like experience from a phone. The platform was first released with the Galaxy S8 series as a way to use your phone as a computer-like interface and has since grown into a smooth, streamlined visual connector that you can use for production and entertainment activities alike.

DeX is now a few years old, and Samsung has built a lot of good features in it. Interested in learning more about it yourself? Here are seven excellent features that Samsung DeX has to offer.

Samsung Dex Features 

Connect wherever you want

Before you can immerse yourself in using DeX actually, you will need to connect it to a monitor or display. Thankfully, there are many ways to do this. The easiest way is probably to simply get the HDMI to USB-C cable and connect it to your phone. You don’t need to use the first group cable to do so – usually, users used an Amazon adapter and a standard HDMI cable, and it worked fine.


Alternatively, you can connect wirelessly – just open the Settings app, go to Advanced Features> Samsung DeX, then open DeX, choose to use DeX on TV or monitor, and wait for the system to receive a display. Most internet-connected TVs and monitors should work through this tech. Lastly, you can connect to DeX using a standard PC or Mac using the DeX app.

Use your phone as a trackpad

Don’t have an external keyboard or mouse to use with DeX? No worries! DeX allows you to use your phone as a trackpad, and while not the most accurate experience, it works well on the pinch.

To use the smartphone as a DeX trackpad, connect to the monitor, swipe down the notification shade on your phone, and select the option to use your phone as a trackpad. You can rotate the screen by opening the phone the way you would like with any app, tap with two fingers to right-click and do some of the things you would expect to be able to do in the standard tracking pad.


Customize the DeX wallpaper

You can customize some features of the Samsung DeX as you would on any other desktop – and customizing them doesn’t interfere with your phone when you use it normally.

Most importantly, you can change your DeX wallpaper, and in doing so it will not change the background image of your phone. To do this, while using your DeX, simply right-click (or tap two fingers with the touchpad) on the desktop and select the Wallpaper option. Then you can switch to your favorite wallpaper.

Make sure applications are always accessible

Do you use other apps regularly? If so, you may want to pin them to the taskbar so you can open them no matter what you do. To pin an application in the taskbar, open the application, right-click the icon in the taskbar at the bottom of the screen, and then tap the Taskbar Login Shortcut button. You will always see the app icon, so you can always open it.


Learn keyboard shortcuts

As with any desktop app, the best way to do more on DeX is to learn keyboard shortcuts. There are tons of shortcuts in DeX to read, including those related to doing multiple tasks.

Keyboard shortcuts vary depending on how you use DeX – because you can use it on a monitor or your Mac or PC. When you first connect your DeX with the keyboard, you will be allowed to see a list of keyboard shortcuts to get started, which can be helpful.

Use apps designed for DeX

Most apps will work fine without the need for special DeX versions, but if you regularly use certain apps, it might be best to check that they are well-suited for use with DeX.


To see a list of DeX-optimized apps, open your app list and select the link at the top of the Check out apps for Samsung DeX. You will see many top applications listed, including Microsoft Office Office, a series of Adobe applications, and more.

Samsung Dex Features

Manage windows

Unfortunately, DeX is not good at helping you manage your windows, and I hope it will get better in the years to come. That said, there are a few things that can help. For example, it is very easy to enter full-screen mode, and there are many ways to do that. You can double-click the top of the window, drag it to the top of the screen, and then release it, or you can tap the full-screen button at the top right of the window.

Alternatively, you will need to stick to the resizing apps manually, which you can do by holding the corner of the app and resizing it. Alternatively, some shortcuts can help with changing app size and cracks, or those shortcuts will vary depending on how you use DeX.


Samsung Dex Features Tips

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Aside from SammyFans’ official Twitter and Facebook page, you can also join our Telegram channel and subscribe to our YouTube channel to get notified of every latest development in Samsung and One UI ecosystem. Also, you can follow us on Google News for regular updates. 

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Here’s how to enable Fast charging mode on Galaxy S21



Surprisingly, Samsung’s fast charging is automatically disabled on Galaxy S21 series. Although Superfast charging is enabled by default. But you can easily change that by going to Settings, and we’ll explain to you how to do it in this article.

The most likely reason for faster charging is disabled, to save your long battery life. And if you are using a non-Samsung 25W charger, you will want this turned on.

If you are using a different charger, such as an 18W charger, then consider your Galaxy S21 charging very slowly. This is probably why. We came across this issue while working on our review of the Galaxy S21 Ultra and went hunting to find out why. That’s why. So keep that in mind.


Samsung Galaxy S21

Here’s how you can enable fast charging on the Galaxy S21 series:

  • First, open Settings.
  • Then tap on “Battery and device care”.
  • From there, tap on “Battery”.
  • At the bottom of that screen, you will view an option for “More battery settings” tap on that.

Under the charging header on that screen, you will see three options. By default, the first one is displayed, which is fast charging. While Super fast charging and fast wireless charging are turned on default. Just tap on the toggle next to “Fast Charging” to turn on instant charging.

This will be required if you are not using a Samsung 25W charger. If you use a slow charger such as a 20W or 18W charger, you will want this turned on, or you will charge a very small fee.

It is strange that this is closed by default. But it may also help save your battery life over time. Since fast charging can damage the battery very quickly.

Get notified –


Aside from SammyFans’ official Twitter and Facebook page, you can also join our Telegram channel and subscribe to our YouTube channel to get notified of every latest development in Samsung and One UI ecosystem. Also, you can follow us on Google News for regular updates. 

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