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

Why is cache cleaning important for the Redmi Note 8?

Xiaomi Redmi Note 8 with Snapdragon 665 processor and 3-4 GB of RAM eventually begins to “brake” even with standard tasks, the reason for this is clogged: temporary application files, update remnants and system debris. Unlike flagships, budget models lose productivity faster due to limited resources.

Cache is divided into three types: system (MIUI files), applications (messaging data, games, social networks) and Dalvik cache (remains from installing / removing programs). For example, WhatsApp can accumulate up to 1 GB of cache per year, and PUBG Mobile game - up to 3 GB. Cleanup frees up space and eliminates freezes when switching between applications - the main problem of Redmi Note 8 after 2 years of use.

But it’s important not to overdo it: a complete cache cleanup of some apps (like Google Play Services) will result in a reboot of data on the next run, which will temporarily increase traffic consumption and battery power.

Method 1: Clearing the cache of individual applications through settings

The safest method is to remove cache for specific programs, which does not affect personal data (photos, correspondence), but frees up to 2-5 GB of space.

Instructions:

1. Open Settings → Applications → Application Management.
2. Slip on the three dots in the upper right corner and select Sort by size.
3. Click on the app (like Facebook or TikTok) → Storage → Clear the cache.

Top.-5 «Cache eaters on Redmi Note 8:

• 📱 Google Chrome – up to 500 MB (history, page thumbnails)
• 🎮 Genshin Impact – up to 8 GB (textures, updates)
• 📸 Instagram – up to 1 GB (cache stories, reels)
• 💬 Telegram – up to 3 GB (media files from chats)
• 🎵 Spotify – up to 2GB (offline tracks, album covers)

⚠️ Attention: Do not clear the cache MIUI System or Android System manually - this can cause shell malfunction. For system files, use method 3 or 4.

Close all background applications

Connect your phone to charge (the process can take 10-15 minutes)

Backup important data (in case of failure)

Check the memory space (less than 1 GB is a reason to clean it up)-->

Method 2: Automatic Cleaning through Security

Redmi Note 8 has a built-in Security app (shield icon) that analyzes garbage and offers optimization, a method that is suitable for beginners, since it does not require manual file search.

How to use:

1. Launch Security → Cleanup.
2. Wait for the scan (it will take 1-2 minutes).
3. Click Clean next to the Garbage Files or Cash Apps section.

Advantages of the method:

• 🔍 Automatically finds cache of even system processes (e.g. com.miui.home).
• 📊 It shows how much space will be vacant (usually 1-3 GB).
• 🛡️ Safe for beginners – does not affect user data.

Disadvantages:

• ⚠️ Does not clear Dalvik cache (recovery required).
• 🔄 You may miss the cache of some games (for example, Call of Duty Mobile).

Once a week.

Once a month

Only when the phone starts to brake

Never cleaned it)-->

Method 3: Completely clean the cache with Recovery Mode

If the Redmi Note 8 is slowing down or lacking space, cleaning the entire cache through the recovery mode will help.This method removes: Dalvik cache (accelerates application launch), system cache (fixes MIUI errors), update residues (releases up to 1 GB).

Step-by-step:

1. Turn off the phone.
2. Press Volume Up + Power for 10 seconds until the Mi logo appears.
3. From the Recovery menu, select Wipe & Reset → Wipe Cache.
4. Confirm the action with a swipe or Power button.
5. Reboot the device (Reboot).

⚠️ Warning: Don't confuse Wipe Cache with Wipe Data! second option will reset the phone to factory settings and delete all data.

After the procedure, the first start of the system will take 3-5 minutes, which is normal, since MIUI restores the cache of applications.

• 🚀 Accelerating Multitasking by 20-30%.
• 📉 Reducing processor heat during load.
• 🔋 Increase battery life by 10-15%.

Method 4: Cleaning the cache through ADB (for advanced)

If standard methods don’t work, you can delete the cache via Android Debug Bridge (ADB). It will require a computer and USB-The cable gives you full control over the files.

Instructions for Windows:

1. Download ADB Tools and unpack it into the C:\adb folder.
2. On your phone, activate Developer Mode (7 times tap the MIUI version in Settings → About Phone) and turn on Debugging over USB.
3. Connect Redmi Note 8 to your PC and execute:

cd C:\adb


adb devices




adb shell pm clear --user 0 com.android.chrome

To clear the cache of all applications, use:

adb shell pm trim-caches 1000000000

(where 1000,000,000 is the size in bytes, approximately 1 GB).

Pros of the method:

• 🎯 Point deletion of the cache of system applications (for example, com.xiaomi.mipicks).
• 🔧 Ability to Automate Through Scripts.

⚠️ Note: pm clear commands for system applications (e.g. com.miui.home) can reset desktop settings. Create a backup through Settings before execution → Additionally. → Backup and reset.

Method 5: Third-party applications for cleaning the cache

If you don't want to dig into the settings, Google Play utilities will help. The best options for Redmi Note 8:

How to use SD Maid:

1. Install the application and give access to the memory.
2. Select CorpseFinder (search for remnants of remote applications) and AppCleaner (cache).
3. Press Run and confirm the cleanup.

Important: After cleaning through third-party utilities, restart your phone – this will allow MIUI to recover critical system files.

💡

Before using third-party cleaners, check the reviews from the past month – some apps (like Clean Master) may show false virus notifications to sell a premium version.

Frequent Mistakes and How to Avoid Them

Cleaning the cache seems simple, but many Redmi Note 8 users make mistakes that lead to crashes:

• 🔄 Cleaning too often: Deleting Google Play Services cache every day causes the system to re-upload data, which consumes traffic and battery.
• 🗑️ Deleting the cache of system applications: com.android.systemui or com.miui.securitycenter files are better not to touch - this can lead to departures of the interface.
• 🔋 Cleaning during charging: If you clean the cache when the charger is connected, the process can take up to 30% longer due to limitations MIUI background-problem.
• 📱 Ignoring Updates: After cleaning the Google Play Store cache, be sure to update the app – the outdated version may conflict with the new version. MIUI.

Critical error: clearing the cache through TWRP without backing up. If you delete files in /data/dalvik-cache on a modified kernel firmware, the phone may freeze on the Mi logo.

💡

If the phone is slower after cleaning the cache, important system information has been removed. restore backup or reset settings through Settings → Additional → Restore and reset.

FAQ: Answers to Frequent Questions