How to increase FPS on Xiaomi Redmi 9A: a complete guide to optimization

Budget smartphone owners often face a lack of processing power when running modern games or even heavy applications. Xiaomi Redmi 9A, equipped with a processor MediaTek Helio G25, is an excellent device for basic tasks, but in demanding projects like PUBG Mobile or Call of Duty can show a low frame rate per second. This leads to image jerks and control delays, which is critical in competitive modes.

Fortunately, the Android operating system and MIUI shell provide users with a number of tools to fine-tune performance. Proper use of hidden menus, cleaning system debris and changing rendering parameters can significantly improve interface responsiveness. In this article, we will discuss proven methods that will help you to get the most out of your device without risking damage to the hardware.

It’s worth noting that the physical limitations of hardware are not going away, and miracles are not expected, but software optimization allows you to reallocate resources to the system, giving priority to a running application. Below are the steps you need to follow to achieve the best result on the Redmi 9A.

Analysis of current state and cleaning of memory

Before you make changes to the system settings, you need to free up resources that are consumed by background processes. RAM 2 or 3 GB in the basic versions of the smartphone quickly fills up, which forces the processor to constantly switch between tasks, this creates extra load and reduces the number of frames processed.

Start by removing unused apps and clearing the cache. Xiaomi's standard Security app has a built-in optimizer that closes the background processes. However, for games, it's better to take a deeper approach by disabling unnecessary services.

It is also recommended to disable the transition animation if your goal is only maximum response speed, not visual smoothness, which will create a sense of faster system operation. In the section "For developers" you can find options for scaling windows, reducing to 0.5x or completely turning off will speed navigation.

⚠️ Note: Complete shutdown of Google system services or MIUI This can cause notifications to work in an unstable way and synchronize contacts. Be careful when using third-party accelerators».

Set up parameters for developers

One of the most effective ways to affect GPU performance is to change the settings in the developer menu. By default, this section is hidden, but activating it gives access to important rendering controls. To get there, you need to click on the build number several times in the About Phone section.

Inside the menu, find System Debugging or Hardware Acceleration, and you can force activate it. GPU-acceleration in the interface, which is especially useful for older versions of Android, although in modern firmware this works by default.

Special attention should be paid to settings related to graphics drivers. In some versions of firmware, the option of selecting the OpenGL ES driver is available. Experiments with switching between the system driver and the application driver can give an unexpected result in specific games.

List of key settings for change:

• 🚀 Background process limitation: Set the value of “No More than 2 Processes” so that the system aggressively unloads excess memory.
• 🎨 Animation Scale: Set all three animation parameters into value 0.5x or "No animation».
• 📱 Minimum width: modification DPI can reduce the burden on the rendering of interface elements.

Use of Game Turbo mode

The MIUI is pre-installed with a dedicated Game Turbo module that optimizes resources during play, not only blocks notifications, but redistributes CPU power to prioritize gameplay. For Redmi 9A owners, it is the primary in-house FPS enhancement tool.

To activate maximum performance, add the game to the Security app -> Accelerate Games. Inside the Game Turbo settings for a particular application, you can select a Performance profile or Balance profile. The Performance mode overclocks the processor, ignoring some power saving limitations.

In addition, Game Turbo has a function to clean the memory before launch and prohibit automatic updates of applications. Using these features ensures that at a critical moment the system does not decide to download the update in the background.

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For maximum effect in Game Turbo, enable the option “Do not interrupt” and prevent the appearance of floating windows from messengers during the game.

Optimizing graphics within games

Even after the system settings, the game’s internal settings are crucial. Redmi 9A features an HD+ (720x1600) screen, which is an advantage: the processor is easier to render with fewer pixels. However, many games can default to settings above the recommended settings.

In graphical game settings (PUBG, COD Mobile, Genshin Impact) always choose the minimum values for textures, shadows and effects. Often players sacrifice picture quality for smoothness, which is the only right solution for budget devices. The Anti-aliasing option should be turned off first, since it is the most loading GPU.

If the game does not allow you to select the desired settings, you can use third-party configs or change configuration files, although this requires caution. In some cases, reducing the resolution of rendering through special utilities helps, but on the Redmi 9A, the native screen resolution is already the optimal balance.

⚠️ Note: Installing modified game files (configs) may result in the blocking of your online project account.

Temperature control and trottling

One of the main reasons for the FPS to fall during long-term play is trottling, which is a processor defense mechanism that reduces the clock speed when overheated. The MediaTek Helio G25 is 12nm process technology and is prone to heat under load. Once the temperature reaches a critical point, the frequencies drop, and the game begins to slow down.

To combat this phenomenon, it is recommended to remove the case while playing to improve heat sink. Using external coolers for smartphones or playing in a cool room also helps to maintain a stable FPS. You should not play simultaneously with charging the device, as this causes double heating.

There's a myth that battery cooling applications actually reduce the temperature. They actually shut down the process. The real cooling is only possible by physical means. It's also worth checking the thermal paste status if the device is a few years old, but it's less relevant for the Redmi 9A because of the design.

Radical methods: Resetting and flashing

If software methods don't work, it may be that the system has accumulated errors or installed a non-optimized version of the firmware. Global Wipe Data often works wonders, returning the smartphone to factory speed. Be sure to back up important data before you do that.

Power users may consider installing custom firmware (like LineageOS or Pixel Experience) that lacks the heavy shell of MIUI. Pure Android consumes significantly less resources, which can add a few extra frames per second.

Sequence of actions for discharge:

1. Go to Settings → About the phone and make a backup.
2. Open Settings → Advanced Settings → Recovery and Reset.
3. Select “Reset all settings” or “Erase all data”.
4. After restarting, set up your phone as new without restoring all apps at once.

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Clean installation of the system without unnecessary garbage collection applications is the most reliable way to return speed to an old device.

⚠️ Warning: Unlocking the bootloader and installing custom firmware will void the warranty and may cause the device to break if you do not act correctly.

Frequently Asked Questions (FAQ)