Cache Clearing on Xiaomi Redmi 8: a complete guide with pictures and nuances

Your Xiaomi Redmi 8 is slowing down, apps are slowing down, and there are only a few gigabytes of free memory left? Most likely, the problem lies in crowded cache. Cache is temporary files that create applications and a system to speed up work. Over time, they accumulate, taking up precious space and slowing down the smartphone. In this article, you will find all the current ways to clean the cache on Redmi 8, including hidden methods that are not written in the standard instructions.

We'll take a look at not only basic settings, but also advanced techniques for power users, and you'll learn how to clear the cache of individual applications, the system cache through Recovery Mode, and even how to reset Dalvik cache, a special type of cache that affects the speed of software startup. All methods have been tested on Redmi 8 with MIUI 11-14 firmware and do not require root rights.

Why Redmi 8 cache needs to be cleaned regularly

Cache is not just garbage. It does an important function: it speeds up the loading of frequently used data, for example, when you open Instagram, the app doesn't re-download all the photos from the tape, it takes them from the cache.

• 📉 They're up. 30% internal memory (on Redmi) 8 s 64 GB. 15-20 GB!)
• 🐢 Slowing down the system — MIUI It starts to “hang” when searching for the right files.
• 🔄 Cause errors in applications (e.g., "unexpected closure")
• 📱 Increase the heat of the processor when working with overflowing memory

This is especially critical for the Redmi 8 with its modest by modern standards 4 GB of RAM and eMMC 5.1 drive. Unlike flagships, budget smartphones are worse at managing cached data. After cleaning the cache on Redmi 8, users note an increase in free memory by 2-5 GB and a performance increase of up to 40% (according to AnTuTu tests).

Method 1: Clearing the cache of individual applications through settings

The safest method is to manually clean the cache for specific programs, which won't delete your data (photos, messages, save in games), but will free up space. On Redmi 8, you can do this like this:

1. Open Settings → Applications → Application Management
2. Select an app (such as WhatsApp or Chrome)
3. Click Warehouse → Clear the cache
4. For complete cleaning, click Space Management → Clear all data (⚠️ This will remove all application settings!)

To speed up the process, use sorting by cache size:

• 🔍 In the "Application Management" section, click on the three dots in the upper right corner.
• 📊 Select Sort. → By size.
• 🧹 First-time 5-10 Apps on the list usually take up the most space

Redmi 8 is especially voracious messengers and social networks, for example, Telegram can accumulate up to 1 GB of cache per month of active use, and TikTok - up to 2 GB. Regular cleaning of these applications gives the greatest effect.

⚠️ Note: Do not clean the cache of system applications named com.android. or com.xiaomi. manually – this can cause malfunctions MIUI. Use the methods from the following sections.

Method 2: Automatic cleaning through built-in MIUI tools

Xiaomi Redmi 8 has built-in memory optimization tools that many users don’t notice, the most effective being Cleanup (formerly called Security), a tool that not only removes cache, but also finds unnecessary files, duplicates and residual data from remote applications.

How to use:

1. Open the Cleanup app (icon with broomstick)
2. Click Deep Cleaning → Start
3. Wait for the analysis (it will take 10-30 seconds)
4. Select categories for cleaning: 🗑️ Application cache (main item) 📁 Unnecessary files (remains after uninstallation) 🔍 Duplicate photos (optional)

Clean up

For maximum effect, use the Turbo mode in the Cleanup app:

1. Go to the Acceleration tab
2. Press Turbo → Optimize
3. Wait 1-2 minutes (the phone may get a little hot)

💡

After deep cleaning, reboot Redmi 8 to help MIUI re-index the file system and speed up work by 10-15%.

Method 3: Cleaning the system cache with Recovery Mode

When standard methods don't work and the phone is slowing down, it's time to clear the system cache (aka cache partition).This section stores update data, temporary system files and Dalvik cache. Cleaning it doesn't delete your data, but requires a reboot to Recovery Mode.

Instructions for Xiaomi Redmi 8:

1. Turn off the phone.
2. Press the power button + Volume up at the same time
3. When the Mi logo appears, release the buttons.
4. Select the language (English / Whale) with the volume buttons and confirm the Power button
5. Go to Wipe & Reset → Wipe Cache
6. Confirm the action by choosing Yes
7. After you complete the process, select Reboot → Reboot to System.

For diagnosis:

1. Go to Settings → About Phone → MIUI Version and Check the Relevance of the Firmware
2. Dial ##4636## and select Battery Information
3. Use the AIDA64 app to check the memory status (Storehouse section → EMMC status)

If the problem is firmware, update Redmi 8 via Settings → System Update. Older versions of MIUI (below 12.5) may require manual firmware via Fastboot.

FAQ: Frequent questions about cleaning up cache on Redmi 8