Cache Cleanup on Xiaomi Redmi 8: A Complete Guide to Accelerating Your Smartphone

Xiaomi Redmi 8 is one of the most popular budget smartphones, but over time even it begins to slow down. The main reason for the slowdown is crowded cache. In this article, we will discuss how to properly clean the cache on Redmi 8 without risking data, what types of cache exist and when they need to be deleted.

Cache is a temporary file that creates applications and a system to speed things up. However, over time, they accumulate, take up precious space in memory and can cause crashes. 8 modestly 3/4 GB of RAM and 32/64 GB ROM cache cleaning is particularly relevant, and we'll look at everything from manual cleaning through settings to using hidden features. MIUI.

It's important to understand that not all cache needs to be deleted. For example, Dalvik cache is best left unnecessarily, because it takes time and resources to recreate, but the cache of individual applications or system debris can be cleaned regularly, which is safe and efficient.

1.What is cache and why should it be cleaned on Redmi 8

Cache (from English cache - "cache") is buffer data that is stored on the device to speed up re-access. Redmi 8 distinguishes three main types of cache:

• 📱 Application cache – temporary files created by programs (for example, thumbnails of photos in a gallery or cache of maps in Google Maps).
• 🖥️ System cache – data that is used MIUI fast-paced.
• 🤖 Dalvik cache – optimized files for the Android virtual machine (you can delete them only through Recovery).

On Redmi 8, with its hardware limitations, a crowded cache leads to:

• ⏳ Slowing down the opening of applications and menus.
• 🔋 Increased battery consumption (the system spends resources on waste management).
• 📉 Lack of memory to install updates or new programs.
• 🚨 Accidental departures of applications or reboots.

However, cleaning the Dalvik cache without need can lead to a long restart of the smartphone (up to the end of the day). 10-15 This type of cache should only be deleted if you encounter critical errors after the update. MIUI.

⚠️ Warning: Don't confuse cache with app data! Cache cleaning won't delete your accounts, save games, or setups. Data reset (Clean data) will return the app to factory status.

2. How to clear the cache of individual applications on Redmi 8

The safest way is to remove the cache for specific programs, and it won't affect their work, but it will make room.

1. Open the Settings → Applications.
2. Tap it on Application Management.
3. Select the app you want (like Facebook or Google Chrome).
4. Press Warehouse. → Clear the cache.

For mass cleaning:

1. In the same menu, App Management tap on the three-point menu (⋮) top-right.
2. Select Sort by Size → Apps will be displayed taking up the most space.
3. Flick through the list and clear the cache for the most “heavy” programs.

Redmi 8 has a lot of garbage on it:

• 📷 Gallery (miniatures and preview photo / video).
• 🌍 Google Chrome or MIUI Browser (cache of web pages).
• 💬 Telegram/WhatsApp (media files and stickers).
• 🎮 Games (e.g., games, PUBG Mobile or Free Fire caches textures).

Close all background programs|Check the space in the memory.|Make a backup copy of important data|Do not clear the cache of system applications (such as Settings or Phone)

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If the app is slower after cleaning, it's OK. It takes time to recover the cache, for example, Google Maps can load maps longer than usual.

3. Clean the system cache through the settings of Redmi 8

System cache (MIUI And Android, it takes up less space than the app cache, but cleaning it can solve the interface lag problem:

1. Go to Settings. → The phone.
2. Tap 7 times on the item Version MIUI, To activate Developer Mode (if not already activated).
3. Return to the main Settings menu and open Additional → for developers.
4. Find Do Not Save Actions (or Limit Background Processes) and turn it on, which will reduce the amount of data cacheable by the system.

For deep cleaning:

1. Open the Settings → Memory.
2. Slip on the Cleanup (the broom icon in the upper right corner).
3. Choose Deep Cleanup and wait for the process to be completed.

This method removes:

• 🗑️ Temporary update files MIUI.
• 📂 Cache of system services (e.g. Google Play Services).
• 🔄 Error logs and memory dumps.

⚠️ Attention: After deep cleaning of Redmi 8 It can be rebooted longer than usual (before the end of the day). 2-3 Do not interrupt the process even if the screen goes out for a long time.

4. Clear Dalvik cache via Recovery Mode

This method is suitable for power users as it requires logging into Recovery. Dalvik cache is optimized files for the Android virtual machine, and cleaning it can help if after updating it. MIUI Redmi 8 has become strongly braked or crashed in bootloop (cyclical reboot).

Instructions:

1. Turn off the phone.
2. Press the Power + Volume buttons up at the same time and hold for 10-15 seconds until the Mi logo appears.
3. Release the buttons and you will be taken to Recovery Mode (English menu).
4. Use volume buttons for navigation and power button for selection.
5. Choose Wipe & Reset → Wipe Cache.
6. Confirm the action and wait for the completion.
7. Go back to the main menu and select Reboot → Reboot to System.

If Redmi 8 hangs on the Mi logo for more than 20 minutes after cleaning the Dalvik cache, perform a forced reboot (press Power for 10 seconds).

Cleaning Dalvik cache is useful if:

• 🔄 Phone hangs on logo after update.
• 🐢 Applications open with a delay >5 seconds.
• 🚨 Android.process.acore error is stopped.

5. Automatic cache cleaning with built-in tools MIUI

MIUI The Redmi 8 has built-in memory optimization tools that are less efficient than manual cleaning, but are easy to use on a regular basis.

Method 1: Security → Cleanup

1. Open the Security app (shield icon).
2. Put it on the scour (broomstick).
3. Press Deep Clean and wait for analysis.
4. Select the categories of garbage (cache, residual files, advertising data) and click Clean.

Method 2: Battery and performance

1. Go to Settings → Battery and Performance.
2. Choose Optimization.
3. Activate Memory Cleanup and Deep Optimization.

Method 3: Auto Clean (configured to Security) → Settings → Auto-cleaning)

• ⏰ You can set a schedule (for example, clear the cache every Monday at 3:00 am).
• 📴 Or enable cleaning when locking the screen.

💡

If Redmi 8 is running slower after automatic cleaning, turn off the Optimization function. MIUI Sometimes it aggressively restricts background processes.

Built-in tools MIUI remove:

• 🗑️ Cash of applications (but not all).
• 📄 Temporary download files.
• 📊 Use statistics (does not affect work).

⚠️ Note: Deep cleaning function in MIUI Sometimes it removes data from the clipboard or unsaved drafts in messengers.

6 Third-party cache cleanup applications: whether to use

Google Play has hundreds of cache cleaner apps: CCleaner, Clean Master, SD Maid, but do they need Redmi 8?

The advantages of third-party cleaners:

• ✅ Convenient interface with visualization of the occupied place.
• ✅ Additional functions (manage autoboot, search for duplicate files).
• ✅ The ability to clean the cache for all applications in one click.

Cons and risks:

• ❌ Many apps consume resources themselves and show false warnings about the “critical” state of memory.
• ❌ Some cleaners (such as Clean Master) collect user data.
• ❌ On Redmi 8 with 3 GB of RAM, the background work of such programs can aggravate the brakes.

If you still want to use third-party software, choose:

• 🛡️ SD Maid (paid version without ads, in-depth analysis).
• 🧹 Files by Google (official application from Google, without malicious code).
• 🔍 1Tap Cleaner (light cleaning with minimal resource consumption).

Before installation, check:

1. User reviews (especially on forums) 4PDA Xiaomi Community).
2. Permissions that the application requests (cleaner must not ask for access to the app) SMS or contact).
3. Google Play ranking (avoid programs with a score below 4.0).

💡

On the Redmi 8 with 3GB of RAM, it's better to do without third-party cleaners.built-in tools MIUI Enough for regular optimization.

7.How to prevent rapid cache accumulation on Redmi 8

To clean the cache less often, follow these recommendations:

• 📵 Limit the background activity of applications: Settings → Annexes → Application management → select the program → Battery → Limit background activity.
• 🚫 Turn off the autoload of unnecessary programs: Security → Auto-start → Turn off auto-start for underutilized applications.
• 📥 Set Google Chrome to Save Traffic: Open the Browser → ⋮ → Settings → Light mode (reduces page caching).
• 📷 In the Gallery, turn off the creation of miniatures: Settings → Annexes → gallery → Warehouse → Clean the cache (and repeat regularly).
• 🔄 Update. MIUI Update: New builds optimize memory management. Check for updates in Settings → The phone. → Updating the system.

Also useful:

• 📴 Reboot your phone once a month (this cleans up RAM).
• 🗃️ Store heavy files (video, music) on a memory card, not in internal memory.
• 🔋 Monitor the temperature of the device: overheating accelerates memory wear and increases the amount of garbage.

If, even after all the manipulations, Redmi 8 continues to slow down, consider:

• 🔄 Reset to factory settings (pre-return backup!).
• 🔧 Install custom firmware (e.g. Pixel Experience) if you are an experienced user.
• ⚡ Replace thermopaste (when overheating) or battery (if worn out).

FAQ: Frequent questions about cleaning up cache on Redmi 8