If you have already had several smartphones, you have surely realized that the quality of the screens has evolved considerably and for some time and that they now have, for the most high-end, a surprising definition. However, it is not always good to have the best definition on your Vivo V21. In the event that you have specific needs, you have arrived on the right site, we are going to teach you in this article how to change the screen resolution of your Vivo V21?

To do this, first, we will find out in which situations it may be appropriate to modify it, and then, how to reduce or increase the screen definition of your Vivo V21? First directly from the settings of your smartphone, then with root.

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Why change the screen definition of my Vivo V21?

Before showing you in detail the different methods to modify the screen definition of your Vivo V21 as you wish, we will quickly see the reason why it may be appropriate to change it. As we told you in the introduction to this article, our mobile phones have become real portable computers, which implies the possibility of changing a good number of parameters to personalize them and obtain the most appropriate user experience for their expectations. Screen settings are one of these options.

In fact, the screens on Vivo V21 have become very power-hungry and account for most of your battery consumption. It may therefore be logical, for save battery reduce the screen resolution of your Vivo V21. In the event that you are mainly on social networks, that you watch very little multimedia content in high definition or that you only use it to send emails or messages, having 4k on your smartphone will not bring you nothing. Also, if you have already reduced the definition of your Vivo V21 and want to return to the maximum definition and you no longer remember the procedure, you will be happy to learn it again in this guide. In the event that you want to gain in viewing comfort in a very simple way, you can change the size of application icons on your Vivo V21.

Be careful though, the screens have maximum definitions, and whatever your desires, you will not be able to set a higher definition than that which the screen of your Vivo V21 can display, if it does not have enough pixels, you will not be able to complete the process.

How do I reduce or increase the screen definition of my Vivo V21?

We are now moving on to the practical part of this article, you will be able to learn the procedure for changing the screen definition of your Vivo V21. First directly from the settings of your device and then using a procedure called “Root”.

How to change the definition of the screen of my Vivo V21 without root?

We start with the easiest procedure, be careful all the same, it sometimes happens, depending on the Android version installed on your Vivo V21, that you cannot complete this procedure. Indeed, on some older versions this parameter is not accessible, if you are in this situation, go to the next part of the article. For others, follow this procedure:

  • Access the "Settings" of your Vivo V21
  • Click on the "View" menu
  • Click on the "Screen resolution" setting
  • Move the cursor to the left or to the right to change the definition of your screen, the more you will go to the left the lower it will be, the more you will go to the right, the more pixels you will have

How to change the definition with root on a Vivo V21?

In the event that you did not have access to the settings seen in the previous part and you still want to change the definition of your screen, do not worry, there is a procedure accessible to everyone, however it going to be a bit more complex and longer. We advise you to do this only if you really want to change the screen definition of your Vivo V21. Check it out below:

  • Activate the USB debugging mode in the "About device" menu
  • install Android Studio on your computer to root your Vivo V21
  • Connect your Vivo V21 to your computer, root your Vivo V21 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 ”, you will reach the screen resolution settings of your device
  • Identify in the script the data "Density" plus the number of your resolution, retain it to reset it to default setting
  • Type now » adb shell wm density DPI & & adb reboot  »To change your screen definition setting, for example 720
  • Wait for your Vivo V21 to restart and enjoy your new resolution

If you want as many tutorials as possible to become the king of the Vivo V21, we invite you to watch the other tutorials in the category: Live V21.