How to Clean RAM on Xiaomi: A Complete Guide to All Models

Your Xiaomi smartphone is slowing down, apps are shutting down spontaneously, and interface animation is twitching? 90% of the time, it’s overloaded RAM. Even the flagship Redmi K70 or POCO F6 Pro models are facing a lack of RAM over time due to background processes, cache and voracious applications. Unlike cleaning internal storage, working with RAM requires a special approach — you can’t just delete files.

In this article, we’ll break down 7 proven ways to free up RAM on Xiaomi, including hidden MIUI features, development teams, and ADB optimization. You’ll learn how to reduce system load without losing data, which apps eat up the most RAM, and why the standard Clean button in the multitasking menu works ineffectively. All methods are tested on current MIUI 14/15 firmware and adapted for models from Redmi Note 12 to Xiaomi 14 Ultra.

Why is RAM clogged on Xiaomi?

RAM (or RAM) is a smartphone's "short-term" memory that stores data from active applications. When memory is scarce, the system begins to force shutdowns, leading to slowdowns. At Xiaomi, the problem is compounded by MIUI features:

• 🔄 Aggressive multitasking: MIUI Default keeps the background up to 20+ For example, Mi Browser or GetApps can take up to 300 MB. RAM without your knowledge.
• 🗑️ System services cache: com.miui.home and com.android.systemui collect cache that is not automatically cleared.
• 🤖 Background limitations of Android: Starting with Android 12, the system decides what processes can be nailed, but often makes mistakes, leaving unnecessary ones behind.
• 📱 Performance vs autonomy: Xiaomi sacrifices free RAM for the sake of saving battery, which leads to "hang" memory for unnecessary tasks.

Interesting fact: on an 8GB POCO F5, the average free RAM is only 1.5 to 2GB after rebooting. That's OK -- Android uses free RAM to caching, but when it's less than 500MB left, it starts to lag. The problem is not the amount of memory, but the inefficient distribution of it.

⚠️ Note: Do not confuse memory (RAM) And internal storage! Cache cleanup in Settings → The storage doesn't release RAM. RAM We need other methods.

Method 1: Manually clean through the multitasking menu

The simplest, but least effective method, is suitable for emergency memory release when the phone is braking:

1. Click on the "Recent Apps" button (square or swipe up with a delay on MIUI 14+).
2. Scroll through the list of open applications left/right.
3. Click on the “Close Everything” icon (cross or basket) at the bottom of the screen.
4. For selective cleaning, swipe up the unnecessary app.

This method frees up 200-500 MB of RAM, but has drawbacks:

• ❌ Does not clean system processes (e.g. com.miui.daemon).
• ❌ Applications can restart in 5-10 minutes (especially instant messengers).
• ❌ It does not work for secure processes (e.g. Mi Security).

💡

To see the actual state of memory, install F-Droid’s Simple System Monitor, which provides detailed statistics on RAM usage, including hidden processes.

Method 2: Optimization with Security App

MIUI has a built-in memory cleaner that runs deeper than the multitasking menu. Here's how to use it:

1. Open the Security app (shield icon).
2. Go to Optimization (or Acceleration on older versions).
3. Click on “Clear Memory” and the system will show you a list of processes that can be closed.
4. Select "Deep Clean" to remove background tasks.

Advantages of this method:

• ✅ Closes system services that are not available in the multitasking menu.
• ✅ Shows the exact amount of freed memory (e.g., "1.2 GB Freed").
• ✅ You can set up auto cleaning on a schedule.

⚠️ Note: Do not use third-party boosters RAM" Google Play (for example, Clean Master or Google Play) DU Not only does it not help, but it can also increase the workload on the processor, as they consume resources to work in the background.

Method 3: Set up restrictions for applications

Many apps (especially social media and instant messengers) abuse RAM even when they are folded, and MIUI can limit their activity:

1. Go to Settings → Applications → Application Management.
2. Select a “gluttonous” app (like Facebook, TikTok or Telegram).
3. Click on "Background Limitation" (or Battery → Background Limitation on new versions).
4. Select "Strictly Restricted" or "Limit Background Activity".

The effect of constraints:

• 📉 Facebook: 400MB to 150MB in the background.
• 💬 Telegram: 300MB to 80MB (without loss of notifications).
• 🎵 Spotify: 250MB to 50MB (music will be interrupted when clotted).

For advanced users, you can turn off auto-launch applications.

1. In the same application management menu, click Autostart.
2. Turn off Auto Start and Second Run permissions.

Method 4: Using the Developer Mode

Hidden MIUI settings allow you to forcibly limit background processes and change the behavior of the system with RAM.

1. Go to Settings. → The phone.
2. Click on the MIUI version 7 times (you will be notified that you are a developer).
3. Back to Settings → Additionally. → For developers.

Now set the following parameters:

• 🔧 Limit background processes: Set a maximum of 2 processes (default is 4).
• 🔄 Do not remain active: Turn on this option so that apps close immediately after curtailing.
• 🚫 Disable animation: Install window animation = 0.5x and Transition animation = 0.5x speed up the interface.
• 🗑️ Enable lock cleaning: Option to clear memory when screen locks (if any).

On models with MIUI 15 (for example, Xiaomi 14) there is a new option – Adaptive optimization of RAM. It is better to turn off, as it artificially loads memory “for future”, which leads to lags.

Limit background processes to 2|Disable "Retain activity"|Reduce animation to 0.5x|Enable cleaning when blocked (if available)|Disable "Adaptive optimization" RAM" (MIUI 15+)-->

Method 5: Cleaning through ADB (for advanced)

If standard methods do not help, you can use them. ADB-This requires a PC connection, but it has the maximum effect.

Step 1: Install ADB Tools on your computer and enable USB debugging on your phone (Settings → Developers → USB debugging).

Step 2: Connect Xiaomi to your PC and execute the commands:

adb shell


su




echo "10" > /proc/sys/vm/drop_caches # Cleaning the core cache




echo "2" > /proc/sys/vm/drop_caches # Cleaning up the slab cache




echo "3" > /proc/sys/vm/drop_caches # Complete cache cleanup




Killall -9 com.miui.home # Launcher Restart

These teams:

• 🧹 Clear system cache that is not available through standard settings.
• 🔄 Restart the launcher MIUI, quiver".
• 🚀 Released up to 1-1.5 GB RAM restarted.

⚠️ Attention: Teams drop_caches They temporarily reduce performance, because the system will have to cache data again. Use it only when there is a critical memory shortage.

For a permanent effect, you can create an automatic cleaning script using Tasker or MacroDroid, which will execute these commands on a schedule.

Method 6: Reset partition cache (without data loss)

If RAM is clogged immediately after restarting, the problem may be in the damaged cache of the system, in which case the reset of the partition cache (Wipe Cache Partition) will help:

1. Turn off the phone.
2. Press the Power button + Volume up to enter Recovery Mode.
3. Choose your language (if required).
4. Go to Wipe & Reset → Wipe Cache.
5. Confirm the action and wait for the completion.
6. Reset the device.

This procedure:

• ✅ Does not delete your data (photos, applications, settings).
• ✅ Clears system cache that can take up to 500MB RAM.
• ✅ Fixes errors related to corrupted temporary files.

After the cache is dumped:

• 🔹 The first download will take 1-2 minutes longer.
• 🔹 Some apps (such as Google Play Services) may be updated again.
• 🔹 The effect lasts a week or more if you do not install new applications.

💡

Resetting the partition cache is the only way to clear the Dalvik system cache, which accumulates with MIUI updates and can take up to 1 GB of RAM.

Method 7: Optimization through MIUI Optimization (Hidden Function)

MIUI has a hidden optimization menu that allows you to manually manage the RAM distribution.

1. Open the phone application (call).
2. Enter the code: ##4636###.
3. Go to the section "Battery Information" (or Usage statistics in English firmware).
4. Click on the three dots in the upper right corner and select "MIUI Optimization".

On this menu:

• 🔧 "Memory Optimization: Enable Aggressive for Maximum Release RAM.
• 🔄 "Background process limit: Set a standard limit (or Strict limit for weak devices).
• 🚫 "Disable MIUI Optimization: Do not permanently disable this option – it can cause shell failures, but a temporary shutdown (for 10-15 minutes) helps to “unload” the system.

After applying the settings, restart the phone.This method is especially effective on devices with 4 GB of RAM (for example, the Redmi Note 11 or POCO X5), where every megabyte counts.

Frequent Questions (FAQ)