If you have ever had the chance to have several phones, you have probably realized that the quality of the screens has evolved considerably and a few years and that they now have, for the more high-end, an impressive definition. However, it is not always the smartest solution to have the best definition on your Samsung Galaxy A21S. If you ever have specific needs, you have come to the right site, in this article we will show you how to change the screen resolution of your Samsung Galaxy A21S?
In this context, first of all, we will see for whom it may be interesting to modify it, and then, how to reduce or increase the definition of the screen of your Samsung Galaxy A21S? First directly from your smartphone settings, then using root.
What is the purpose of changing the screen resolution of my Samsung Galaxy A21S?
Before showing you in detail the different procedures to change the screen resolution of your Samsung Galaxy A21S to your liking, we will quickly find out why it might be interesting to change it. As we told you in the introduction of this article, our cell phones are now real portable computers, which implies the ability to change a multitude of configurations to customize them and obtain the user experience that best meets their expectations. Screen settings are one of those possibilities
And yes, the screens on Samsung Galaxy A21S have become very power hungry and represent a large majority of your battery consumption. It can therefore be consistent, for save battery by lowering the screen resolution of your Samsung Galaxy A21S. If you are mainly on social networks, watch very little high-definition multimedia content or only use it to write emails or messages, having 4k on your smartphone won't do you much good. . Also, in the event that you have in the past reduced the resolution of your Samsung Galaxy A21S and you want to return to the maximum resolution and you no longer remember the procedure, you will be happy to learn it again in this guide. If you ever want to easily gain viewing comfort, you can change the size of the application icons on your Samsung Galaxy A21S.
Be careful, the screens have maximum definitions, and whatever your needs you will not be able to define a definition higher than that which the screen of your Samsung Galaxy A21S can display, if it does not have enough pixels, you cannot will not be able to perform the manipulation.
How do I reduce or increase the screen resolution of my Samsung Galaxy A21S?
We now move on to the practical part of this article, you will be able to learn the procedure to change the screen definition of your Samsung Galaxy A21S. First directly from the settings of your phone then using a solution called "Root".
How to change the screen definition of my Samsung Galaxy A21S without root?
We start with the simplest solution, be careful however, it is possible, depending on the Android version installed on your Samsung Galaxy A21S, that you may not be able to perform this procedure. Indeed, on some old versions this parameter is not accessible, in the event that you are in this situation, go to the next part of this post. For others, follow this procedure:
- Go to the “Settings” of your Samsung Galaxy A21S
- Click on the "View" menu
- Click on the "Screen resolution" setting
- Move the cursor to the left or to the right to change the resolution of your screen, the more you go to the left the less good it will be, the more you will go to the right, the better it will be
How to change resolution with root on Samsung Galaxy A21S?
If you never had access to the settings seen in the previous part and you still want to change the resolution of your screen, don't worry, there is a solution available to everyone, nevertheless it will be a hair more complicated and longer. We recommend that you do this only if you really need to change the screen definition of your Samsung Galaxy A21S. Check it out below:
- Activate the USB debugging mode in the "About device" menu
- install Android Studio on your computer to root your Samsung Galaxy A21S
- Connect your Samsung Galaxy A21S to your computer, root your Samsung Galaxy A21S with Android Studio
- Open the command console of your computer, for that type "Command prompt" in the search bar at the bottom left of your screen
- In your batch application type "adb shell dumpsys display | grep mBaseDisplayInfo ”, this will take you to the screen resolution settings of your phone
- Locate in the script the data "Density" plus the number of your resolution, retain it to reset it to default setting
- Now type " adb shell wm density DPI & & adb reboot »To change your screen definition setting, for example 720
- Wait for your Samsung Galaxy A21S to restart and enjoy your new resolution
If you want a lot of tutorials to become the absolute master of the Samsung Galaxy A21S, we invite you to explore the other tutorials in the category: Samsung Galaxy A21S.
