Memory Cleanup on Xiaomi Redmi 7A: A Complete Guide with Instructions and Tips

Xiaomi Redmi 7A owners often face the problem of lack of internal memory, especially if the device has been in use for several years. Even with a microSD card, system files, app cache and MIUI updates take up precious gigabytes. But don’t rush to buy a new smartphone – in 90% of cases, memory can be efficiently cleaned without losing important data.

This article will help you understand how to make room for Redmi 7A without resorting to drastic measures, and we will look at both standard MIUI tools and hidden features that few people know about, and you will also learn which files can be safely deleted and which ones should not be touched, so as not to disrupt the system.

Why does Redmi 7A run out of memory?

The main reason is the Android Go Edition architecture, which runs the Redmi 7A. This lightweight version of the OS is optimized for budget devices, but has a peculiarity: it aggressively caches data to speed up the re-launch of applications.

• 📱 The app cache can take up to 3-5 GB (especially social networks and messengers)
• 🗃️ System log files accumulate over time and are rarely cleared automatically.
• 🔄 Updates MIUI Keep the old firmware versions (up to 1 GB for each)
• 🎵 Media files from chats are automatically downloaded to the gallery

Another trap is MIUI Optimization, which duplicates some files for quick access, such as thumbnails of photos that can be stored separately from the originals, taking up extra space, and if you've ever used a theme, you might have left undeleted archives up to 500MB in memory.

Method 1: Cleaning the application cache manually

The most secure method that does not affect user data: On Redmi 7A, the cache can be cleared in two ways: for individual applications or globally for all programs.

Instructions for cleaning the cache for a specific application:

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

For mass cleaning of the cache of all applications:

1. Go to Settings → Storage
2. Click Clear in the section "Cached data"
3. Confirm the action (a password may be required)

Close all background applications|Connect to Wi-Fi (if you plan to reset your data)|Check the free space in the "Storage" section"|Backup of important data (in case of error)-->

⚠️ Note: Do not clear the cache of system applications like com.android.systemui or com.miui.home – this can cause shell malfunctions. MIUI. If you are not sure what you are doing, skip these apps.

Method 2: Delete unnecessary files through Cleanup

MIUI has a built-in Cleanup tool (formerly called Security) that analyzes the system and suggests removing debris. On Redmi 7A, it works more efficiently than third-party cleaners because it has access to system folders.

How to use:

1. Open the Cleanup app (icon with broomstick)
2. Click Scan and wait for the analysis to be completed.
3. In the rubbish section, mark: 🗑️ Residual files (residues after deleting applications) 📁 Empty folders 🔍 Log files (logs)

Clean up

Pay special attention to the section Big files – here are often found:

• 🎬 Uploaded videos from instant messengers (Telegram, WhatsApp)
• 🎮 Cash games (especially if you played) PUBG Mobile or Call of Duty)
• 📸 Backup copies of photos (folder) MIUI/Backup)

💡

If you see an Android/obb folder in the big file list, don't manually delete the contents! These files are for the games to work. Instead, delete the game itself through Settings → Apps if you don't need one.

Method 3: Transfer applications to a memory card

Redmi 7A It supports microSD cards up to 256GB, but by default, the applications are installed in internal memory. SD-map:

Step-by-step:

1. Insert a memory card (formatted as internal storage)
2. Go to Settings → Applications → Application Management
3. Select an app (such as Google Maps)
4. Click Warehouse → Change → Memory Map
5. Confirm the transfer (reboot may be required)

Important nuances:

• ⚠️ Not all applications support portability (especially system applications)
• 🔄 After the transfer, the application may run slower (depending on the class). SD-map)
• 📱 Some functions (such as widgets) may stop working.

⚠️ Note: If you format a memory card as internal storage, it cannot be used on other devices without full formatting.

Method 4: Remove old MIUI updates

On Redmi 7A, MIUI updates are saved in /cache and can take up to 2-3 GB, even if already installed.These files are safe to delete, as they do not affect the current version of the firmware.

How to delete:

1. Open Files (standard file manager MIUI)
2. Go to the Category section → System files
3. Find the cached or update folder
4. Delete files with.zip extension and names like miui_HM7AGlobal...

Alternative method through ADB (for advanced users):

adb shell


su




rm -rf /cache/update/*




rm -rf /data/update/*

If you're not sure what you're doing, you'd better use the former. Deleting system files through ADB can lead to a device blink if you do something wrong.

Method 5: Reset to factory settings (last resort)

If all previous methods failed and there is less than 500 MB of free space, you will have to resort to hard reset, which will delete all data, including photos, contacts and installed applications, so make a backup beforehand.

Resetting instructions:

1. Go to Settings → About the phone → Reset settings
2. Select Erase All Data (Reset to Factory)
3. Enter the password from your Mi Account (if linked)
4. Confirm the action and wait for the reboot (it will take 5-10 minutes)

After discharge:

• 🔄 Install only the necessary applications
• 🚫 Refuse to synchronize old data (photos, messages)
• 📁 Set up automatic storage of media files on a memory card

⚠️ Attention: On Redmi 7A After reset, you may need to re-activate the device via Mi Account. If you forget your password, restore it in advance on account.xiaomi.com, otherwise the phone may be blocked!

Method 6: Optimize memory without deleting files

If you need to free up space, but do not want to remove anything, try these methods:

• 📱 Turn off automatic media download in messengers: WhatsApp: Settings → Warehouse → Autoboot media → Turn off for mobile data in Telegram: Settings → Data and memory → Autoboot media → Choose "Never»
• 🎵 Use streaming instead of downloading: On YouTube Music or Spotify, turn off song caching in Google Podcasts, set up automatic deletion of listened episodes
• 📸 Optimize photos: Enable Google Photos with the “Free Place” function (compresses photos without loss of quality) Remove duplicates through the Files by Google app

Another effective technique is to limit background activity for unnecessary applications:

1. Go to Settings → Battery → Selection of applications
2. Select an app (such as Facebook)
3. Set a limit on background activity → Limit

💡

Regular optimization (once in a year) 1-2 for a period of at least one week, 1,5-2 GB of free space, which is enough for stable operation of Redmi 7A.

FAQ: Frequent questions about memory cleanup on Redmi 7A