How to increase the speed of Xiaomi: a complete guide to overclocking a smartphone

Why is Xiaomi starting to slow down?

Even Xiaomi’s flagship models lose speed over time, ranging from overloaded MIUIs to hardware constraints, and the main drags are caused by:

Background activity – applications continue to work even after closing, consuming processor and RAM resources.

• Cracked cache – temporary files accumulate over the years, taking up space and slowing down the read/write.

Older firmware – newer versions of MIUI are better optimized, but not all users are updated on time.

• Heat trottling – when overheated, the processor automatically reduces performance to avoid damage.

In this article, 12 Xiaomi acceleration workflows tested on models from the Redmi Note 10 to the Xiaomi 14 Ultra. No magic tweaks are just technical solutions explaining why they work.

1. Diagnosis: how to understand what exactly inhibits

Before you optimize, you need to identify the bottleneck. Xiaomi has built-in tools for this:

• Performance monitor: go to Settings → About Phone → All specs → System status. This shows CPU boot, RAM and temperature.

Battery analysis: in Settings → Battery → Battery use shows which applications consume the most energy (usually they also load the processor).

Storage speed test: Use the A1 SD Bench app (free on Google Play).If the read speed is below 150 MB/s, the problem may be in memory.

⚠️ Note: If the system monitor is loaded CPU Always above 70% in standby mode (screen off), this is a sign of a virus or firmware failure.

It is suitable for advanced users. ADB-team:

adb shell dumpsys cpuinfo

2. Cleaning the system: remove garbage and cache

MIUI is known for actively caching data, and over time, this leads to:

• 📱 Slowing down the opening of applications (cache fragmented)
• 🗑️ Class before 5-10 GB of memory with unnecessary files
• 🔄 Freezes when updating the OS (lack of space on the system partition)

How to clean:

1. Manual: Settings → Memory → Clean (remove the cache of all applications).
2. Automatically: use SD Maid (paid version) or Files by Google (free).These apps find garbage that built-in MIUI tools skip.
3. For system files: type ##4636##, select Usage statistics → Storage and clear Dalvik-cache (requires superuser rights).

Backup important data |Close all applications |Connect charging (process can take 10-30 minutes) |Do not interrupt cleaning system files-->

After cleaning, restart your phone – this is a must, as some system processes only restart when rebooting.

3. MIUI Optimization: Disabling Unnecessary Functions

MIUI is overloaded with features that most users don't need but consume resources. Here's what you can safely disable:

Pay special attention to auto-run applications. Many programs (e.g. Facebook, AliExpress) start at the start of the system and hang in the background. Turn them off in Settings → Applications → Auto-Start Management.

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If the interface seems too sharp after disabling animation, return the settings to the value of animation x0.5 - this is a compromise between speed and smoothness.

4. Overclocking of the processor: risks and real opportunities

Many users have heard of the “overclocking” of smartphones, but few understand how it works in practice. Xiaomi with Qualcomm Snapdragon or MediaTek Dimensity processors has two approaches:

• Change the CPU scheduler (requires root): allows performance to be prioritized over energy saving, for example, performance scheduler makes cores run at maximum frequency longer.

• Undervolting: Reduces heat, which reduces trottling, works only on unlocked loaders.

⚠️ Attention: Acceleration without proper cooling leads to battery degradation (lost to the point of cooling) 10% capacity 3-6 months and the risk of overheating of the chipset, on models with passive cooling (for example, Redmi Note) 12) It's particularly critical.

For those willing to take the risk, the instructions for changing the scheduler through ADB are:

adb shell


su




echo "performance" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor




exit

The effect is noticeable immediately: in benchmarks (for example, AnTuTu), the increase is 5-15%, but battery life is reduced by 15-25%.

5. Firmware Update: Myths and Reality

Official MIUI updates are often criticized for "braking", but in reality:

• 🔄 Each update (e.g., with the MIUI 13 on MIUI 14) brings optimizations to specific models.
• 🐞 Fixes critical bugs that make the processor work inefficiently (e.g. memory leaks in Redmi Note 11).
• 🚀 New versions add features like Memory Extension (using part of ROM as RAM).

How to update correctly:

1. Check the current version in Settings → About Phone → MIUI version.
2. Download the full firmware package (.zip) for your model from the official Xiaomi website.
3. Move the file to the root of the phone’s memory and update via Settings → System Update → Select a firmware file.

If the phone is running slower after the update, reset the cache (not data!):

Turn off the phone → Press Power + Volume Up → Select Wipe Cache Partition → Reboot.

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Updating through Recovery (not OTA) reduces the risk of errors and allows you to install firmware even when corrupted system files.

6. Alternative firmware: should you switch to caste?

If standard MIUI doesn’t suit you, there are three popular alternatives:

• 📱 Xiaomi.EU – modified MIUI No Bloatware (pre-installed Chinese apps), with improved optimization.
• 🤖 LineageOS – “pure” Android without a shell MIUI, with the loss of certain functions (for example, IR-blaster).
• ⚡ Pixel Experience – firmware with interface from Google Pixel, ideal for weak models (for example, Redmi) 9A).

Advantages of custom firmware:

• 🚀 Nana 30-50% less background processes.
• 🔋 The battery is longer (on the 10-15%).
• 📱 Support for older models (e.g. Xiaomi Mi) A1 There are current builds of Android 12).

Disadvantages:

• ❌ Loss of warranty (if the bootloader is unlocked).
• ❌ Risk of “brick” when incorrect installation.
• ❌ Some features (such as Always-on Display) may not work.

Instructions for installation of Xiaomi.EU:

1. Unlock the bootloader through the Mi Unlock Tool (requires an account binding Mi).
2. Install TWRP Recovery for your model (instructions on XDA).
3. Download the firmware from Xiaomi.eu and run through TWRP.

7. Hardware restrictions: when nothing helps

If all software methods have been tried, and the phone still brakes, the problem may be in the hardware:

To check the status of the battery, use the command:

adb shell dumpsys battery

Note the health setting, and if it shows up as COLD, OVERHEAT, or DEAD, the battery needs to be replaced.

⚠️ Note: In Xiaomi models with non-removable battery (for example, Xiaomi) 13T) Self-replacement can damage the display plume.

8.Extreme methods: for experienced users

If you’re willing to take risks for maximum performance, try:

• Disabling MIUI Optimization: This is a system service that manages multitasking, which can increase speed by 10-20%, but can cause some applications to run in an unstable way.

adb shell pm disable-user --user 0 com.miui.optimization

• Using cores with patches: for example, Kernelsu or FrancoKernel allow you to fine-tune the frequencies of the processor, GPU They are only suitable for specific models (see compatibility list). XDA).

• Transfer of applications to SD-card (only for models with support for Adoptable Storage): this relieves internal memory, but SD-card must be of class UHS-I U3 higher.

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Before experimenting with the kernel or system services, create a full backup through TWRP or OrangeFox Recovery, which will allow you to restore the phone even if a critical failure occurs.

FAQ: Frequent questions about Xiaomi acceleration