How to find out the exact screen resolution on Xiaomi Redmi Note

Modern smartphones Xiaomi Redmi Note line have high-quality displays, but often stated characteristics in the booklets are at odds with the real output of the image. Users face a situation where applications or games require accurate data about the pixel grid, and the standard menu MIUI or HyperOS do not give full information. Understanding the real resolution is necessary not only for gamers, but also for developers, as well as when setting up fonts and scaling the interface.

In this article, we will take a look at all the available methods for obtaining information about your device’s display, we will look at both the software methods through the standard menu and the deeper diagnostic methods available to advanced users, and you will learn to distinguish the physical resolution of the matrix from the logical resolution of the system, which is a critical nuance for the proper operation of graphics applications.

We will also discuss pixel density (DPI), which directly affects picture clarity and interface size. Misinterpreting this data can lead to incorrect display of content in some applications. Accurate data about your screen is the foundation for fine-tuning the visual experience of using a smartphone.

Basic methods of verification through system settings

The easiest and safest way to learn the characteristics of the display is to refer to the built-in features of the Android operating system. In the shells of MIUI and HyperOS, information is often hidden in the submenu "About the phone", but it does not always display the native resolution of the matrix.

To access the basic information, go to Settings β†’ About Phone. Here you will see the processor model, Android version and often screen resolution. However, to save resources, the system may not use the full power of the matrix in standard operating mode. Logical resolution is often lower than the physical to ensure smooth interface operation.

⚠️ Note: The data in the About Phone menu can be rounded or displayed in portrait orientation, which sometimes confuses users expecting to see landscape values (e.g., 1080 instead of 1920).

For more detailed viewing, you can use the Advanced Settings or All Settings feature if this option is available in your firmware version. In some cases, you need to click on the MIUI version several times to activate the hidden developer menu, where information can be more accurate, this is the first step to understanding how your Redmi Note handles graphics.

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Before changing any display settings, write down the initial DPI values so that in case of problems with text readability, you can quickly return to factory parameters.

Using the Developer Menu for Diagnostics

The developer menu in Xiaomi smartphones provides access to hidden debugging features, including more detailed information about the display. Activating this section requires a series of actions, but does not pose a risk to user data unless you change critical parameters. This is where you can find data on the current scale and density of points.

To activate, go to Settings β†’ About Phone and quickly click on the line "MIUI Version" seven times. Once a successful activation message appears, a new "Developers" item will appear in the "Additional" or "Extended Settings" section. Inside this menu, you should look for the section related to drawing or displaying an image.

  • πŸ“± Interface Scale: Shows how many times the elements are enlarged relative to the base standard.
  • πŸ“ Minimum width: a parameter in dp (density-independent pixels) that affects the amount of content on the screen.
  • πŸ–₯️ Simulation mode: allows you to see how applications will look at other resolutions.

It's important to understand the difference between physical pixels and logical units. Changing settings in a developer menu, such as "Minimum Width," can visually change the resolution, but it won't change the physical structure of the matrix. Incorrectly setting these values can make the interface unreadable, so be careful when experimenting.

β˜‘οΈ Checking through the developer menu

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Specialized applications for accurate data

When built-in tools are scarce, specialized tools from the Google Play Store come to the rescue, applications like Device Info HW, AIDA64 or CPU-Z are able to read information directly from the device drivers, and these programs show not only the resolution, but also the type of matrix, manufacturer and supported refresh rates.

Installing an application like this is the most reliable way to get a complete picture, and when you run it, you have to go to the Display or Screen tab, and you'll see the lines "Resolution" and "Density," and the data in these applications usually correspond to the physical characteristics of the display, ignoring the programmatic scale of the system.

Particular attention should be paid to the parameter DPI (Dots Per Inch for the Redmi Note series with FullHD resolution+ This figure is usually about 400-440 If the application shows significantly lower values, it is possible to turn on the power saving mode or lower resolution to extend battery life.

Why do apps show different numbers?
Different programs use different Android APIs to request information, some request native screen resolution, others request the current rendering window resolution, which can be changed by the system for optimization.

Redmi Note's lineup is extensive, and different generations have used different specs. Knowing the exact model helps you navigate your expected values faster. Below is a table with native resolutions for popular devices in the series.

Model of the deviceType of matrixNative authorizationDensity (PPI)
Redmi Note 10 ProSuper AMOLED2400 Γ— 1080395
Redmi Note 11AMOLED2400 Γ— 1080395
Redmi Note 12 Pro+OLED2400 Γ— 1080395
Redmi Note 8 ProIPS LCD2340 Γ— 1080395

Note that the image format in modern smartphones is elongated, so the aspect ratio is often 20:9 or 19.5:9, not the classic 16:9. This allows you to work comfortably with one hand, keeping a large screen diagonal. The physical size of the pixel also affects the perception of clarity, so the same resolution on screens of different sizes will look different.

πŸ“Š What is the screen size of your Redmi Note?
6.43 inches
6.67 inches
6.5 inches
other

Advanced Method: Using ADB Commands

For users who need the most accurate technical data or who are engaged in debugging applications, there is a method to use Android Debug Bridge (ADB). This tool allows you to request information directly from the system, bypassing the graphical interface. USB-cable.

Before you start, you need to enable USB debugging in the developer menu and install ADB drivers on your PC. Once you connect the device, follow the adb device command to make sure the computer sees the smartphone. If it goes well, you can request display data.

adb shell wm size

This command will output the physical screen size in pixels. To get information about the density of the dots, you use the command:

adb shell wm density

The result is a numerical DPI. This data is the most reliable, because it comes from the system properties of the Android kernel. It can also force you to change the resolution, although it is rarely necessary for the average user.

⚠️ Note: Forced change of permission through ADB (wm size command can cause an interface to work in an unstable way or artifacts. Use this function only if you understand the consequences.

Impact of Permit on Performance and Battery

High-resolution screens are not only a clear picture, but also a high load on the graphics processing unit (GPU). In the Redmi Note series, the balance between image quality and power consumption is finely tuned, but in heavy games, the difference can be tangible. Decreasing resolution in game settings can significantly increase FPS.

Many modern games automatically determine the device’s capabilities and offer optimal graphics settings. However, knowing the exact resolution allows you to manually adjust the rendering to achieve maximum smoothness. If you notice that the phone is quickly discharged or warmed, it is worth checking whether the background processes are running in high resolution.

Also worth mentioning is the "Screen Update Frequency" feature. In models with AMOLED arrays, switching between 60 Hz, 90 Hz and 120 Hz is often available. High frequency requires more resources, and combining high resolution with 120 Hz can significantly reduce battery life. Optimizing these parameters is the key to long-term device operation.

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Decreasing the resolution in specific game settings is an effective way to boost FPS without losing quality on a small smartphone screen.

How to reset the screen settings if everything is gone?
If you've experimented with DPI or resolution and the interface has become unreadable, the easiest way to do this is to reset through the recovery menu or, if the phone responds to touch, find the Reset button in the same developer menu where you changed settings, and a full factory reset will help in the extreme case.
Does the permit affect the quality of the photos?
The resolution of the screen does not directly affect the quality of the images, because it is responsible for the camera matrix. However, when viewing the photo on a low-resolution screen, you may not notice the defects that will become visible on a computer or device with a denser matrix.
Why do some apps have black stripes around the edges?
This is due to the inconsistency of the aspect ratio of the app and the screen of your Redmi Note.Old apps designed for 16:9 format cannot stretch into modern elongated screens without distortion, so the system adds black fields.
Can I increase the resolution programmatically?
It is impossible to increase the resolution above the physical maximum of the matrix. Software interpolation (magnification) will only worsen the clarity of the image, since the screen is physically unable to display more points than it has pixels.