Many users, buying popular smartphones of the budget and mid-range segment, often wonder about improving their performance.
This is especially true for the frequency of screen refresh, since the smoothness of the interface directly affects the comfort of using the device in everyday life.
Owners of the Redmi Note 9 are no exception and are actively looking for ways to activate the 120Hz mode, believing that their gadget is capable of more than the manufacturer claimed.
However, technical reality often diverges from the desires of enthusiasts looking for hidden possibilities in system settings.
In this article, we will discuss in detail the hardware limitations of the matrix used in your device and explain why standard methods cannot achieve the desired figure.
We’ll also look at safe alternatives that can make working with Xiaomi more responsive without the risk of turning your phone into a brick.
Technical characteristics of the display Redmi Note 9
To begin with, you need to refer to the dry specification provided by Xiaomi engineers when developing the device.
The smartphone is equipped with a 6.53-inch screen type IPS LCD with a resolution of 2340×1080 pixels.
The key parameter here is the native refresh rate, which is rigidly fixed at 60 Hz.
⚠️ Warning: Attempts to programmatically change the frame rate at the driver level without appropriate hardware support can lead to unstable operation of the GPU.
The matrix installed in the Redmi Note 9 is physically unable to switch between 60 and 120 Hz modes, unlike the more expensive models with the newer model. AMOLED-screen.
This limitation is due to the design of the panel itself and the display controller, which do not support fast frame change technology.
Therefore, any applications from the Google Play store that promise to “accelerate” the screen are essentially simulators or simply change the animations of the interface.
Why you can't programmatically activate 120 Hz
In the Android environment, there are many hidden menus and engineering codes that are often accessed by advanced users.
However, in the case of Redmi Note 9, even root rights will not allow you to change the physical frequency of the matrix update.
The MIUI (or HyperOS) system reads the EDID monitor data and blocks the selection of inaccessible modes at the kernel level.
Popular methods using ADB (Android Debug Bridge) also fail to work in this particular case.
Commands that run on flagships with supported screens are simply ignored by the display power controller.
Attempting to force a non-existent mode can lead to the fact that the screen goes out or the image becomes twitchy and unreadable.
The Myth of Unlocking Hidden Regimes
Risks of using modified firmware
The only theoretical way to change the display parameters is to install custom firmware written by enthusiasts.
However, even in the XDA Developers communities, you won’t find stable builds for the 120Hz Redmi Note 9.
This confirms that the limitation is hardware, not software.
However, users continue to experiment with firmware ports from other models.
Such actions involve serious risks that you need to be aware of before starting any manipulation.
Unstable touchscreen operation, overheating of the processor and rapid wear of the battery are only a small part of the possible problems.
- 🔥 High risk of getting a “bottle” (infinite reboot) when installing incompatible software.
- 🔋 Accelerated battery degradation due to incorrect operation of the power controller.
- 📉 Loss of warranty and possibility of receiving official security updates.
- 📱 Possible appearance of image artifacts or complete inoperability of the display.
⚠️ Note: Installation of firmware from other models (cross-flashing) on the Redmi Note 9 is strictly not recommended, as it can lead to irreversible damage to the equipment.
Compare frame rate in different Xiaomi models
To better understand the difference, it’s worth considering which devices actually support a high refresh rate.
The table below shows a comparison of the technical characteristics of the Redmi Note 9 screen and models where 120 Hz are implemented natively.
This will help you avoid confusion and false expectations from your gadget.
| Smartphone model | Type of matrix | Maximum frequency | Support for HDR |
|---|---|---|---|
| Redmi Note 9 | IPS LCD | 60 Hz | No. |
| Redmi Note 10 Pro | AMOLED | 120 Hz | Yes (HDR10) |
| Xiaomi 13 | AMOLED | 120 Hz | Yeah (Dolby Vision) |
| POCO F5 | AMOLED | 120 Hz | Yes (HDR10+) |
As the data shows, the transition to 120 Hz requires the use of more modern and expensive components.
The Redmi Note 9 was designed as an affordable solution, with autonomy and basic functionality being prioritized.
☑️ Checking before experiment
Optimize the interface without changing the hertz
While it’s impossible to raise the frequency to 120Hz, you can make using the Redmi Note 9 more enjoyable.
There are settings that visually speed up the system response and create the illusion of greater smoothness.
The first step is to activate the accelerated animation mode in the developer menu.
To do this, go to Settings → About phone and seven times click on the version of MIUI.
Then in the menu Additional → For developers, find the scales "Window animation", "Endsight animation" and "Duration of animation".
Set a 0.5x value for all three parameters, which will make the interface noticeably sharper.
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Use lightweight launchers like Nova Launcher or Lawnchair to reduce GPU load and boost FPS in the menu.
It is also worth turning off unnecessary visual effects in the theme of design.
Using static wallpaper instead of live will save the processor resources and make the system work more stable.
Regularly cleaning RAM and closing background applications also contribute to overall responsiveness.
Settings for gamers on Redmi Note 9
For gaming applications, frame rate is critical, but here we are also limited to hardware.
Most games on the Redmi Note 9 will run at a maximum of 60 FPS (frames per second).
However, the Game Turbo app built into the MIUI shell can help stabilize this metric.
In the game mode settings, you should select a “Balanced” or “Performance” profile.
This will allow the Snapdragon 665 to run at maximum frequencies without trottling in the first minutes of the game.
Third-party boosters are not recommended, as they often contain ads and may conflict with the system.
⚠️ Note: Install graphical patches for games (e.g, GFX Tool for PUBG) This can lead to the blocking of the game’s developers.
The best solution for a comfortable game is to reduce the graphical settings inside the applications themselves.
Reducing the resolution of rendering and texture detailing will give a more tangible increase in smoothness than any system tweaks.
Also make sure that the device has at least 15-20% of internal memory available for normal cache operation.
💡
The hardware limit of 60 Hz on the Redmi Note 9 is an insurmountable barrier that cannot be circumvented software without the risk of breakdown.