How to Clean Memory on Xiaomi Redmi Note 7: The Complete Guide

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The Redmi Note 7 is a real bestseller, but over time, even powerful hardware can run into a shortage of space. Device owners often notice that the system is starting to run slower, applications are opening longer, and overflow notifications are appearing more often. It is a natural process of accumulating temporary files, remnants of remote programs and high-quality media content.

Freeing up your internal drive is not just a way to get gigabytes back, but it’s also a necessary measure for the stability of the MIUI operating system. When the free space ends critically, your phone may start to reboot arbitrarily or stop taking calls altogether. In this article, we’ll look at proven methods to help you get your device back to speed.

There are many ways to optimize, from built-in cleaning tools to manually removing system debris. It is important to understand that just removing a couple of photos is not enough if you do not deal with the cache of applications and duplicate files. A competent approach will allow you to avoid buying a new device, prolonging the life of your Xiaomi.

Analysis of storage and identification of hidden threats

Before you start taking drastic measures, you need to understand what exactly is taking up space in your phone. The standard storage analyzer in MIUI provides enough detail, but often users ignore the Other section. This is where gigabytes of forgotten downloads, old backups and error logs can hide.

Go to the settings and select "Storage" and the system will show you the visualization of occupied space. Pay attention to the "Apps" section, which often takes up more space than the operating system itself, and social network cache data can grow to incredible sizes if not cleaned regularly.

Special attention should be paid to the downloads folder. Many users forget that all downloads from the browser PDF-files, installation packages APK And that's where the images are stored, and checking this partition often allows you to instantly release a few hundred megabytes without affecting important personal data.

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The system analyzer is the best first step, as it shows the real picture without the risk of deleting the desired files, unlike third-party software-cliners.

And the gallery cart, too, is that the photos and videos that are deleted don't disappear, but they're moved to a special album that's kept for 30 days, and if you accidentally delete an important video, you can recover it, but if you need it urgently, you have to manually clean the cart.

Use of the built-in "Security" application

MIUI already has a powerful maintenance tool, called Security, and it has a green shield icon, designed specifically for Xiaomi's file system, so it's safer to use than installing questionable software from the Play Market.

Launch the app and click on the Cleanup button. The system will scan and suggest removing temporary files, app residues and advertising debris. However, take your time to agree to all the proposed actions. Carefully study the list of files, especially in the "Large files" section, so that you do not accidentally delete the document or video you need.

⚠️ Warning: When using Deep Clean, carefully check the list of contacts and messages that the system suggests be deleted, sometimes important numbers or correspondence that you did not plan to erase will get there.

The app also has a section called Acceleration, which closes the background processes. While this doesn't release memory directly, it helps reduce the load on RAM, which indirectly affects the overall speed of the device, and regular use of this tool becomes a useful habit.

In addition, you can find the Licenses tool on the security menu, which checks installed applications for malicious code, and viruses and miners often take up the space and resources of the processor, so you won't need to check regularly.

Cleaning messengers: Telegram and WhatsApp

Messengers are the main memory eaters on modern smartphones. Telegram and WhatsApp by default store all received photos, videos and voice messages in the memory of the phone. If you are in dozens of channels and chats, in a month can accumulate 5-10 GB of garbage.

In Telegram, the cleanup is most efficient. Go to Settings → Data and Memory → Memory Use. Here you will see the Clear Cache button. Press it boldly: your correspondence and media files are not going anywhere, they are stored on the server and will be re-downloaded when you view, but space will be freed up instantly.

For WhatsApp, the procedure is slightly different, as all files are stored locally. Inside the chat, click on the contact name, select Media, Links and Documents» → «Storage. The system will show you which files take up the most space. You can choose only video or just a video. GIF-animations and remove them massively.

• 📱 Set up autodelete media in Telegram so that the cache does not grow.
• 🗑️ On WhatsApp, turn off gallery saves for unnecessary groups.
• 📂 Check WhatsApp Images folder regularly in the file manager.

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Enable the Autodelete Media feature for group chats on Telegram, which will automatically clear the cache after 3 days, a week or a month, saving the space automatically.

Remember, once you clear the messenger cache, when you first open heavy videos, they can take a little longer to load, which is a normal situation, and it's compensated by the free space that has appeared.

Work with Gallery and Cloud Services

High-resolution photos and videos are the main content taking up space. The Redmi Note 7 camera is capable of taking good quality shots, but each file can weigh between 3 and 10 MB. Video at 4K or Full HD resolution at 60 frames per second "eats" gigabytes in minutes.

Use Google Photos to back up. Once all your images are uploaded to the cloud, use the Free Space feature. The app will remove local copies of those photos and videos that are already securely stored in the cloud, a secure way to free up tens of gigabytes.

Also worth checking out is the album "Recently Deleted." As mentioned earlier, deleted files are stored there for a month. If you're sure you haven't accidentally deleted something important, clean this folder. Also check the folders of screenshots and uploaded images from the browser - they are often duplicated.

If you don't use cloud services, consider periodically migrating your photo archive to your computer or external hard drive. Store your entire photo history for several years on your phone doesn't make any practical sense.

Removal and management of applications

Over time, we install a lot of apps that we don't use, games, delivery services, banking apps, all of which take up space even if you don't use them, some of which can run in the background, consuming resources.

Go through the installed program list. If you don't remember why you need the app, you probably don't need it. Delete it through your settings or press the desktop icon and select "Delete." Notice the system applications that you can turn off if you don't need them (such as some Google or Mi services).

There is also a category of “bloated” software that has huge update sizes, such as some navigators or games that can weigh 2-3 GB. If you use them rarely, it is easier to remove and reinstall than to store them on your phone all the time.

⚠️ Note: Do not remove system components MIUI And Google Services Framework, if you're not sure what they're doing, can cause your phone to be unstable or your account to be synced.

For advanced users, ADB is available, which allows you to remove system debris without root rights, but for the average user it is safer to limit yourself to standard removal through the settings menu.

Use of memory cards and data transfer

Redmi Note 7 is equipped with a hybrid slot, which allows you to use the second SIM-If you often shoot videos or store a lot of music, installing a 64 or 128 GB memory card is a great solution.

Once you have installed the card, it is recommended to format it as Portable Storage, which will allow you to store photos, videos and music on it, and in the camera and voice recorder settings, you can immediately choose to save new files to the memory card, which will save internal space.

Many file managers also allow you to transfer existing folders (DCIM, Download, Music) to an external drive, which frees up internal memory, which is critical for the system to run and install new applications, since programs are still stored in internal storage.

Remember, memory cards tend to wear out, back up important data from the card regularly so that you don't lose it if the drive fails, and the speed of working with files on the card can be lower than with internal memory.

Radical measures: Resetting to factory settings

If none of the above methods worked and the phone continues to slow down, it may be that deep errors have accumulated in the system or that the fragmentation of files has become critical, in which case a full reset to the factory settings (Hard Reset) helps.

This procedure will completely remove all data from your phone: contacts, photos, apps and settings.The phone will become the same as you bought it in the store.Be sure to make a full backup to your computer or to the Mi Cloud / Google Drive cloud before doing so.

Settings → About the phone → Reset settings → Erase all data

After reset, don't restore all applications from the backup at once, install only the essentials and watch the system run for a couple of days, often giving the device a second life and greatly boosting the interface's response speed.

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A complete reset is a last resort that is effective in case of software failures, but requires a mandatory prior backup of all important data.

Remember, after the reset, the system will re-index files and update applications, so in the first hours the phone may be slower than usual and warmer. This is a normal optimization process.

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