How to speed up the Xiaomi Redmi smartphone: from simple settings to deep optimization

Why are even the new Xiaomi Redmi smartphones starting to slow down?

You bought a Xiaomi Redmi Note 12 or Redmi 10C six months ago, and it's already running slower than it was the day you bought it? It's not a defect, that's how MIUI works. Even flagship models lose speed over time due to the accumulation of digital debris, background processes and optimization features from Xiaomi.

Three key factors are to blame: overloaded cache (temporary application files take up to 5-7 GB of memory), autoload of unnecessary services (at least 15-20 processes are triggered when a smartphone is turned on), and thermal throttling - when the processor artificially slows down when overheated. For example, Redmi 9T with a Snapdragon 662 processor loses up to 30% of performance when heated above 45 Β° C.

The good news is that 90 percent of problems are solved without root rights and complex manipulations, and you just need to know which MIUI settings are responsible for background activity and which functions can be turned off without losing functionality. This article is a proven method from simple to complex, with run time and expected speed gains.

1.Cache and garbage cleanup: the first step to dispersal

So, to start with the most obvious, but often ignored, method, application cache and system debris take up to a point. 10-15% internal memory, which directly affects the speed of reading / writing data. 11 Pro+ s 128 GB of memory after a year of use cache com.miui.home (launcher) can weigh up to 1,2 GB.

How to clean the cache correctly:

  • 🧹 Manual Cleaning: Go to Settings β†’ Annexes β†’ App management, select an app (like YouTube or Facebook) and click β€œClear Cache” Warning: Do not clear data (Clear Data) – this will delete logins and settings!
  • πŸ€– System utility: Use the built-in Security application β†’ Cleanup β†’ Deep cleaning. It removes to 3-5 GB of garbage in one pass.
  • ⚑ Hidden cache MIUI: Enter the code ##4636### in the phone application, select Storage and press Clear Cache to clear the system cache (not working on all models).

Clear the launcher cache (com.miui.home)|Delete the cache of Google Play Services|Scan the Downloads folder for unnecessary files |Clear the history in the browser (if you use MI Browser)

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⚠️ Warning: Do not use third-party cleaners like Clean Master or CCleaner, which often delete important system files and can permanently break the work MIUI. For example, after cleaning the folder /data/dalvik-cache Some applications will stop running.

Autoboot Optimization: What Processes Can Be Disabled?

Autoboot is the main memory eater. By default, MIUI runs up to 30-40 processes when you turn on your smartphone, even if you are not using them. Mi Video, Mi Music and Mi Pay are automatically activated on Redmi 10, although 80% of users do not use them.

How to turn off unnecessary:

  1. Go to Settings β†’ Applications β†’ Application Management β†’ Autorun.
  2. Sort the list by Last Start-up – so you will see which apps are active the most often.
  3. Turn off autostart for: 🎡 Music players (Mi Music, Google Play Music) πŸ“Ί Video players (Mi Video, MX Player) πŸ’³ Payment services (Mi Pay, Google Pay – if you do not use contactless payments) πŸ“Š Analysts (Mi Analytics, Google Play Services) – but beware, disabling may disrupt some features)

Social media (Facebook, Instagram)| Messengers (WhatsApp, Telegram)|Games (PUBG, Genshin Impact)|Systems (Mi Video, Mi Music)|Nothing disabled

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⚠️ Warning: Do not disable auto-run for com.android.phone (telephony), com.miui.securitycenter (security) and com.google.android.gms (Google Services).This may result in network loss or inability to install applications.

3. Customization of animation: how to speed up the interface in 2 times

MIUI It uses smooth animations to jump between screens, open apps, and fold windows, and these effects look beautiful, but they slow down the work. 15-20%. For example, the time to open settings on Redmi 9A shrink 1,2 second 0,6 seconds after the animation is turned off.

How to speed up the interface:

  1. Activate Developer Mode: Go to Settings β†’ About Phone and click on MIUI Version 7 times.
  2. Return to Settings β†’ Additional β†’ For developers and find three options: Windows Animation Scale β†’ No Animation Scale Transition Animation Scale β†’ No Animation Duration Animation β†’ Off.

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If the interface seems too sharp after disabling animation, set the 0.5x value instead of No animation – this will give a balance between speed and smoothness.

⚠️ Note: On some models (Redmi) 8A, Redmi 7) disabling the animation can cause the screen to flicker when scrolling. In this case, return the settings to 1x.

4. MIUI Optimization: Hidden Functions for Acceleration

MIUI It has a few hidden features that you can use to improve performance, such as Performance Mode, which increases the CPU clock speed by 10-15%, Memory Optimization prevents the killing of background processes.

How to enable hidden settings:

  • πŸ”§ Performance mode: Open Settings β†’ Battery and productivity β†’ Performance mode. Select High Performance (increases heat, but gives it a boost) +10% FPS play).
  • 🧠 Memory Optimization: Go to Settings β†’ The phone. β†’ Click on Optimization and select Deep Optimization (only works on the MIUI 13+).

Resetting MIUI settings

  1. Go to Settings β†’ System β†’ Resetting settings.
  2. Select Reset MIUI (does not delete data, but returns all settings to factory settings).
  3. πŸ“± Use Lite versions of apps: Replace Facebook with Facebook Lite, Messenger with Messenger Lite. 2-3 less memory.
  4. πŸ”‹ Disabling Smart Assistant: Go to Settings β†’ Battery and productivity β†’ Smart Assistant and turn it off.This feature constantly scans activity and consumes up to 200 MB RAM.

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If your Redmi is older than 3 years, hardware optimization is often cheaper than buying a new smartphone. For example, replacing the battery and thermopaste with the Redmi Note 8 Pro costs 2500 rubles, while the new Redmi Note 12 costs from 15 000 rubles.

8. Alternative methods: root, cores and acceleration

If you are willing to take risks, you can use advanced methods:

  • Root rights: Allows you to remove system applications (bloatware), change the frequency of the processor and optimize the kernel.
  • Castomic kernels: For example, FrancoKernel or Perseus improves nutrition and performance management.
  • Overclocking CPU/GPU: Kernel Auditor can increase clock speed by 10-20%, but this reduces the life of the processor.

If the CPU is constantly over 50% for no apparent reason, it could be a virus or hardware problem.

Should you buy Redmi with 3GB of RAM in 2026?
No, if you plan to use a smartphone for longer than 1-2 years. 3 GB of RAM is only enough for basic tasks (calls, messengers, light games). Already, models like the Redmi 9A or Redmi 8A are experiencing problems with multitasking. The optimal minimum in 2026 is 4 GB of RAM (for example, the Redmi 12C or Redmi Note 12).
Can Redmi be accelerated by cooling?
Yes, but the effect is temporary. When overheating (above 45Β°C), the processor throttles, reduces the frequency by 30-50%. Cooling methods: Passive: Use aluminum cases or cooling stands. Active: Smartphone fans (like Black Shark Cooler) reduce the temperature by 5-10Β°C. Extreme: Thermopaste replacement (effectiveness +15-20%, but requires disassembly).