Memory on Xiaomi Redmi 4X Fully filled - what to do in 2026?

Xiaomi Redmi 4X

limited memory

"Memory is full."

10 proven ways

Redmi 4X

The peculiarity of this model is the lack of a slot for the second SIM-This means that expanding the memory will require victims: either abandoning the second one. SIM, We'll look at both options, and we'll also tell you which files can be safely deleted and which ones should not be touched.

⚠️ Note: Some methods (e.g. resetting to factory settings) will result in data loss. make a backup of important files in advance via Settings → Additionally. → Backup and reset or with Mi Cloud.

1. Analysis of occupied space: what exactly eats memory?

Before you clean your smartphone at random, you need to understand which files take up the most space. MIUI There's a built-in tool for that:

Open Settings → Memory of the device. Here you will see a diagram of the distribution of memory by category:

• 📱 System - files MIUI Android (cannot be removed, but can be reduced)
• 📷 Images and videos - photos, screenshots, downloads from messengers
• 🎵 Audio – music, podcasts, voice messages
• 📄 Documents — PDF, Excel, archives
• 🎮 Applications – installed programs and their data
• 🗑️ The other is cache, temporary files, remnants of remote applications.

Click on any category to see a detailed file list sorted by size. For example, in the Apps section, you will find that Telegram or WhatsApp take up several gigabytes due to downloaded media files.

⚠️ Note: If the "System" category is more occupied 8-10 GB 16-Gigabyte model, this may indicate a data partition error (typical for older Redmi firmware). 4X). In this case, only resetting or refrigeration will help.

2. Clearing cache and temporary files

The fastest way to free 1-3 GB: Delete the app cache and the system temporary files, and it's done in a few steps:

Step 1 Clear the cache of all applications

1. Go to Settings → Applications → All applications.
2. Slip on the three dots in the upper right corner and select "Sort by size."
3. Open each major app (e.g. Facebook, YouTube, Google Play Services) and click Clear Cache.

Step 2: Systemic debris disposal

• 🧹 Use the built-in Cleanup utility (broom icon on your desktop).
• 🔍 Select "Deep Clean" and tick all items: cache, residual files, empty folders.
• ⚠️ Do not delete the system logs – this can cause failures.

⚠️ Attention: If after cleaning the cache, apps start to slow down (for example, Instagram or TikTok), this is normal - the data will be reloaded the next time you use it. 1 time-in 2-3 weekdays.

Transfer of data to SD-card (if the slot is free)

Redmi 4X Supports microSD to up to 256 GB, but with a hybrid slot (second) SIM If you're willing to donate the second one. SIM, Data transfer will help to release 10-15 GB of internal memory.

How to transfer files to SD:

1. Insert microSD (class recommended) UHS-I or U3 speed).
2. Go to Settings → Memory → Memory Map.
3. Select “Format as internal memory” (Warning: After that, the card cannot be retrieved without losing data!).
4. In the file manager (MI File Explorer - select folders DCIM (Photos), Download (downloads), WhatsApp/Media and press "Move".

Limitations of the method:

• ❌ Not all applications can be transferred to SD (particularly systemic).
• ❌ The card will be encrypted – it can not be read on another device.
• ❌ Speed of application with SD lower than the internal memory.

💡 Tip: If you often shoot videos, set the camera to record immediately on the camera. SD:

1. Open the Camera app.
2. Tap on. ⚙️ → "Warehouse" → Select a memory card.

4. Removal of unnecessary applications and their data

Many users install dozens of applications, but only use them. 5-6. Unused programs take up not only space in memory, but also background processes, which slows down the smartphone.

How to find and remove unnecessary applications:

1. Go to Settings → Applications → All applications.
2. Sort by "Size" or "Last Use."
3. Remove applications that you have not used anymore 3 You'll pay special attention: 🎮 Games (even remote ones often leave cache in the game) /Android/obb/). 📺 streaming services (for example, Kodi or MX Player with uploaded movies). 🛒 Store apps (e.g. AliExpress, Wildberries) cache tons of pictures).

How to delete residual files:

Even after uninstallation, apps often leave “garbage” in folders:

• /Android/obb/ — Game files (can be manually deleted).
• /Android/data/ — Application data (delete remote program folders).
• /sdcard/.thumbnails — Miniature images (you can safely clean).

🔧 For the advanced: Use ADB, to remove pre-installed system applications (such as Mi Video or Mi Music) if they are not needed:

adb shell pm uninstall -k --user 0 com.xiaomi.video

⚠️ Warning: Removing system applications can lead to unstable work MIUI. Do this only if you are confident in your actions!

💡

Before you uninstall the app, check if it has a backup function to the cloud, for example, WhatsApp allows you to save chats to Google Drive, and Viber allows you to save chats to your cloud.

5. Optimization of photos and videos

Photos and videos are the main memory eaters at Redmi 4X. One video in Full HD (1080p) borrower ~300 MB/min, and RAW-Photos of them up to 20MB each, here's how to reduce their weight:

Method 1. Compress existing photos/video

• 📸 Use Google Photos (automatically compressed to "High Quality" instead of "Original").
• 🎥 Video Compress (compressed by Full) HD before 720p without much loss of quality).
• 🖼️ Resize Me! will reduce the resolution of photos to 2-4 MB a piece.

Method 2: Set the camera to save space

1. Open the chamber. → ⚙️ → "Photo permission" → Choose 8 MP instead of 13 MP.
2. For the video, set it up. 720p instead 1080p (savings 3-5 once).
3. Turn it off "HDR" Night mode" - they increase the weight of the photos.

Method 3: Remove duplicates and failed images

Manually searching for repetitive photos is difficult, so use:

• 🔍 Files by Google (automatically finds duplicates and large files).
• 🗑️ CCleaner (clears folder) DCIM/.thumbnails).

6.Use of cloud storage

If you don't have enough physical space on your device, cloud services can help you offload your internal memory, and the key is to choose a reliable service with enough space.

Best Options for Redmi 4X:

• 🔗 Telegram (Saved Messages) – you can send yourself files up to 2 GB and download as needed.

How to set up automatic booting:

1. For Google Photos: Open the app → ⚙️ → "Backup and synchronization" → turn on the option.

⚠️ Warning: Before deleting files from your phone after uploading to the cloud, check that they are indeed synced.

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Cloud storage saves space, but requires a stable Internet connection to access files. Don't delete the originals if you're often offline!

7. factory reset (last resort)

If all previous methods did not help, and on Redmi 4X It's still less than 1GB of free space, and it's a hard reset, which will delete all the data, including apps, photos and settings, but it will put the smartphone back in its "clean" state.

How to reset:

1. Create a backup (via Mi Cloud or PC).
2. Go to Settings → Additional → Backup and Reset → Reset settings.
3. Select "Delete all data" and confirm.
4. After the reboot, set up your smartphone as new.

What to do after the discharge:

• 🔄 Recover only the most necessary data (contacts, photos).
• 🚫 Don’t install all old apps at once – add them as needed.
• 🔧 Set up automatic cache cleanup (in Settings) → Battery and productivity → Cleanup).

⚠️ Note: Some of the Redmi firmware 4X After the reset, the data partition can “fly” and the internal memory will be defined as 0 GB. If this happens, you need to flash through the Fastboot.

8. Alternative methods: for advanced users

If you’re ready to dive into the technical details, these ways will help you get the most out of Redmi. 4X:

Method 1. Transfer of applications to SD through ADB

Even if MIUI It does not allow you to transfer the application to the memory card, it can be done manually:

adb shell pm set-install-location 2

After this command, all new applications will be installed on the SD. Go back:

adb shell pm set-install-location 0

Method 2: Removal of System Updates

Update files MIUI can occupy up 2 GB in a folder /cache. You can remove them like that:

1. Open File Manager with root permissions (such as Root Explorer).
2. Go to /cache and delete all files with the.zip extension.

Method 3. Use Link2SD

Annex Link2SD It allows you to transfer application data to the second divided SD-Map (root required) Instructions:

1. Break it. SD-map 2 section (first — FAT32, second — ext2/ext4).
2. Install. Link2SD Select the second section as a storage location.
3. Move heavy applications (such as games) there.

⚠️ Attention: Misuse of the right Link2SD or ADB This can cause a cyclical reboot of your smartphone. If you're not sure, you should consult a specialist.

FAQ: Frequent questions about Redmi memory 4X