Memory Cleanup on Xiaomi 7: a step-by-step guide with hidden MIUI chips

Xiaomi Mi 7 (or Redmi Note 7/7 Pro – depending on the region) is still a popular smartphone due to balanced characteristics and support for MIUI. However, over time, even 64 or 128 GB of internal memory begin to “clog” with unnecessary files, cache of applications and system debris. If your phone began to slow down, issue notifications about memory shortages or spontaneously close applications – it’s time to conduct a deep clean.

In this article, we’ll break down 7 proven ways to free up memory on Xiaomi 7, including standard tools. MIUI, We will focus on safe methods that will not damage the system, and also reveal the unique trick of migrating applications to the Internet. SD-Root-free card (works even on the latest versions) MIUI 14).

Important: Before cleaning, check how much memory is occupied. Go to Settings → About Phone → Memory. If less than 10% is free, take action immediately, or the system will start to crash.

1. Cleaning up the cache of applications and system debris

The fastest way to free up 1-3 GB of memory is to delete temporary files (cache) that accumulate during the operation of applications. On Xiaomi 7, this can be done in two ways: through the built-in Cleanup utility or manually for each application.

Method 1: Automatic cleaning through Security → Cleaning.

• 🧹 Click Deep Clean – the utility scans the phone for unnecessary files (cache, residual data of remote applications, duplicates).
• 📁 In the Big Files section, check if there are any old videos or archives that you can delete.
• 🔄 After cleaning, restart the phone – this will help the system correctly free up occupied memory blocks.

Method 2: Manually clean the cache for individual applications.

1. Go to Settings → Applications → Application Management.
2. Select an app (like YouTube or Facebook) and click Clear Cache.
3. For a complete application data reset (including settings), use Clear Data, but note: this will delete accounts and saves.

⚠️ Note: Do not clear the cache of system applications (e.g. com.android.systemui or com.miui.home) – this can cause interface failures MIUI.

2. Remove unnecessary applications and duplicate files

The average Xiaomi 7 user installs 50 to 80 apps, of which no more than 20 are actively using. The rest take up space in memory and work in the background, using up battery power. In addition, duplicate photos, screenshots and downloaded files from messengers often accumulate on the phone.

How to find and remove unnecessary applications:

• 📱 Open the Settings. → Annexes → Manage applications and sort the list by size.
• 🗑️ Remove apps that haven’t been used for more than 3 months (such as games that have passed or test utilities).
• 🔍 Check Pre-Installed – Some system apps (such as Mi Video or Mi Music) can be disabled if you don’t use them.

Search and removal of duplicates:

• 🖼️ Use Files by Google (available in Play Market) – it automatically finds duplicate photos and files.
• 📂 Manually check the folders: /storage/emulated/0/DCIM/Screenshots (screenshot), /storage/emulated/0/Download (load), /storage/emulated/0/Telegram (messenger).

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To quickly find large files, in the Files by Google app, go to the Cleanup section" → "Large files. This is where you often find forgotten videos in resolution. 4K or backups that take up gigabytes.

3. Transfer applications and files to SD-map

Xiaomi Mi 7 supports microSD cards up to 256 GB, but by default the applications are installed in internal memory. SD-a card without root rights, even if MIUI blocks this option.

The official method (does not work for all applications):

1. Put it in. SD-card (class 10 is recommended or UHS-I speed).
2. Go to Settings → Applications → Application Management.
3. Select an app (such as Spotify) and click Transfer to SD-Card (not active for all programs).

Hidden method for MIUI (requires ADB):

If the button is moved to SD-The card is inactive, use this method:

adb shell pm set-install-location 2

This command forces the system to install new applications on the SD-The default card. To get it back, do it:

adb shell pm set-install-location 0

⚠️ Note: Not all applications will work with SD-System utilities, widgets and some games (e.g, PUBG Mobile can cause errors.

4. Cleaning of system logs and dumps

MIUI maintains detailed logs of system events that take hundreds of megabytes over time, which are only needed by developers, and useless for the average user, and can also accumulate error dumps (files with the extension.dmp or.log) that are created when applications crash.

How to delete system logs:

• 🛠️ Install the app SD Maid (requires root rights for complete cleaning) or 1Tap Cleaner (works without root).
• 📜 Run scan for system logs, dumps and residual files.
• 🗑️ Delete everything except files marked important to the system.

Without third-party utilities, you can manually check folders:

• /storage/emulated/0/Android/data/com.miui.debug/log - MIUI logs.
• /storage/emulated/0/MIUI/debug_log — debugging.
• /storage/emulated/0/crash: Failure dumps.

5. Reset to factory settings (last chance)

If all previous methods failed and there is less than 5% of memory left, you will have to resort to a hard reset, which will delete all data, including apps, photos and settings, but return the phone to its original state. On Xiaomi 7, you can do the reset in two ways:

Method 1: Through the settings menu (recommended):

1. Back up important data (photos, contacts, messages) through Settings → Additional → Backup and Reset.
2. Go to Settings → About the phone → Reset settings.
3. Choose to erase all data and confirm the action.

Method 2: Recovery (if the phone is not turned on):

1. Turn off the phone.
2. Press the Power button + Volume up to enter Recovery Mode.
3. Select Wipe Data → Wipe All Data (Manage Volume and Power buttons).

⚠️ Note: After reset, Xiaomi 7 may require you to enter a Mi Account if the device protection feature was previously enabled!

6.Memory optimization with hidden MIUI functions

MIUI contains several hidden tools that help you manage memory more efficiently, which are not advertised, but can significantly improve the performance of the Xiaomi 7.

Function 1: Limitation of background processes

• 🔧 Go to Settings. → Additionally. → Special facilities → Limitation of background processes.
• 📉 Select Standard Limit or Strict (reduces memory and battery consumption).

Function 2: Automatic cleaning when blocked

• 🔄 Enable in Settings → Battery and productivity → Memory management option Clear memory when blocked.
• 🛑 This will close all background apps when you turn off the screen, freeing up RAM and cache.

Function 3: Performance mode

• ⚡ B Settings → About the phone 7 times click on the version MIUI, to activate the Developer Mode.
• 🔧 Come back to the extra. → For developers and enable Do Not Save Actions and Limit Background Processes.

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Even after memory is cleared, keep an eye on background processes. In MIUI, many applications (such as Mi Video or Cleaner) run automatically and consume resources by default.

7.Alternative methods: cloud storage and external drives

If the internal memory of Xiaomi 7 is constantly overflowing, consider transferring data to external storage:

Cloud services:

• ☁️ Google Photos – automatically uploads photos and videos to the cloud (up to 15GB free).
• ☁️ Mi Cloud – gives 5GB for free, integrated with MIUI.
• ☁️ Yandex Disk or Mail.ru Cloud – suitable for backup documents.

External drives:

• 💾 OTG-flash drive – connects through the adapter USB-C → USB-A (Supported on Xiaomi 7).
• 🖥️ Portable SSD — If you need to store large files (for example, movies in the 4K).

For automatic synchronization, use the FolderSync application (sets backup on schedule).

FAQ: Frequent questions about memory cleaning on Xiaomi 7