Why Redmi Note 7 is slowing down and how to fix it
Your Xiaomi Redmi Note 7 is slower to work, applications fly out, and the system constantly issues notifications about memory shortages? The problem is familiar to most owners of this smartphone after 2-3 years of active use. Even with 64 GB of internal memory, the device begins to โchokeโ from accumulated garbage: app cache, duplicate photos, remnants of remote programs and system logs.
The reasons for filling up memory on the Redmi Note 7 fall into two categories: software (cache, temporary files, updates) and user (photos, videos, downloaded documents). The feature of MIUI is that the system aggressively caches data to speed up work, but rarely cleans it automatically, resulting in a year of use of โfreeโ space can remain less than 10%, which is critical for stable Android.
In this article, 7 proven ways to free up memory on Redmi Note 7, from basic (cache removal) to radical (factory reset) methods tested on MIUI 12-14 and do not require root rights. You will also learn how to disable automatic garbage caching in background applications โ a feature that eats up up to 3-5 GB of memory per month on this model.
1. Cleaning the application cache and system
Cache is a temporary file that creates applications to speed up their work. On the Redmi Note 7, the cache can take anywhere from 1 to 10 GB, with many programs (like Facebook, Instagram or TikTok) cache data even when you are not using it. Cache clearing is safe: apps will simply create new temporary files the next time you run.
How to clear the cache on Redmi Note 7:
- ๐ฑ Open the Settings. โ Annexes โ Application management.
- ๐ Select the application (start with the most โheavyโ โ social networks, instant messengers, games).
- ๐งน Click Clear Cache (not to be confused with Clear Data โ this will remove all app settings!).
- ๐ For mass cleaning, go to Settings โ Memory. โ Clean and press Clear Cache.
The Dalvik-cache is cleaned differently:
- Turn off the phone.
- Press the Power button + Volume up to enter Recovery Mode.
- Select Wipe Cache Partition (Manage โ volume buttons, confirmation โ power button).
- Reset the device.
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If the app is slower after cleaning the cache, give it 1-2 days to recover temporary files.
2. manually delete unnecessary files
The MIUI on the Redmi Note 7 has a built-in memory analyzer that shows which files take up the most space.
- ๐ธ Photos and videos (especially in format) RAW or 4K).
- ๐ต Audio files (downloaded songs, podcasts, voice messages).
- ๐ Documents (PDF, archives, cache Telegram/VKontakte).
- ๐ฎ Game data (e.g. cache) PUBG Mobile or Genshin Impact can weigh 5-15 GB!).
How to find and delete large files:
- Go to Settings โ Memory โ Memory Analysis.
- MIUI automatically sorts files by size. View the categories Large files, Downloads, Duplicates.
- Mark unnecessary files and click Delete.
Pay special attention to the folders:
- /storage/emulated/0/Download โ here loads from browsers accumulate.
- /storage/emulated/0/DCIM/.thumbnails are thumbnails that can be easily deleted.
- /storage/emulated/0/Android/data โ application data (caution: deleting the application folder will cause it to be reset!).
How to return deleted files?
3. Transfer data to a memory card or cloud
Redmi Note 7 supports microSD cards up to 256 GB, but by default applications and files are saved to internal memory. SD-Map or cloud (Google Drive, Mi Cloud, Yandex.Disk) will help to free up 5-20 GB.
How to transfer files to a memory card:
- ๐ Open Files (Standard Application) MIUI).
- ๐ Select files (photos, videos, music) and click Transfer.
- ๐ฑ Choose. SD-map.
To automatically save photos/video to the map:
- Open the camera โ Settings โ Save Place.
- Select Memory Card.
Cloud services are convenient for backup:
| Service | Free seat | Features |
|---|---|---|
| Google Photo | 15GB | Automatic uploading of photos/video, search by content. |
| Mi Cloud | 5GB | Integration with MIUI, backup of SMS and notes. |
| Yandex.Disk. | 10GB | Convenient for documents, there is offline access. |
| Mega | 20GB | Data encryption, high limits. |
4. Removal of pre-installed applications (bloatwer)
The MIUI on Redmi Note 7 comes with dozens of pre-installed apps (bloatvers) that can't be removed in the standard way, including Mi Browser, Mi Music, Mi Video, GetApps, Mi Pay, and others, which take up space, run in the background and consume battery power.
How to remove system applications without root rights:
- ๐ ๏ธ Use it. ADB (Android Debug Bridge. Connect your phone to your PC, enable Debugging by USB (Settings โ The phone. โ Version. MIUI โ Press 7 times, then return to the Additional Settings โ For developers).
- ๐ฅ๏ธ On PC, open the command line and type: adb shell pm uninstall --user 0 com.miui.browser (replace com.miui.browser with the desired application package).
List of packages of popular system applications:
- ๐ Mi Browser: com.android.browser or com.miui.browser
- ๐ต Mi Music: com.miui.player
- ๐บ Mi Video: com.miui.videoplayer
- ๐ GetApps: com.xiaomi.mipicks
- ๐ณ Mi Pay: com.mipay.wallet
Make sure that the USB debugging is enabled
Install. ADB-PC drivers
Download the list of MIUI packages for Redmi Note 7
Make a backup copy of important data
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5. MIUI Optimization: Disabling Background Processes
MIUI is known for aggressively controlling background processes, but some settings can be optimized to reduce memory consumption, such as turning off autosynchronization and application background activity saves up to 2-3 GB per month.
How to limit background activity:
- ๐ Go to Settings. โ Battery and productivity โ Battery management.
- ๐ฑ Select an app (for example, Facebook or VKontakte).
- ๐ซ Turn off Auto Start and Background Activity.
Additional settings to save memory:
- ๐ Turn off window animation (Settings) โ The phone. โ Version. MIUI โ 7 times, then additional settings โ For developers โ Scale of animation โ Choose No Animation).
- ๐ Limit the Real-Time Weather Update (Settings) โ Lock screen โ Weather).
- ๐ต Turn off Mi Cloud Sync if you are not using it (Settings) โ Xiaomi account โ Mi Cloud).
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Disabling background activity of social networks (Facebook, Instagram, VK) can save up to 1-2 GB of memory per month by stopping caching unnecessary data.
6. Reset to factory settings (last resort)
If all previous methods failed and the Redmi Note 7 has less than 10% of the memory available, you will have to do a complete reset, which will delete all data, applications and settings, returning the phone to a โcleanโ state.
How to reset Redmi Note 7 to factory settings:
- ๐ฑ Go to Settings. โ The phone. โ Backup and reset.
- ๐ Select Settings Reset.
- ๐ Enter a password (if set).
- โ Confirm the reset.
Alternatively, if the phone is stuck:
- Turn off the Redmi Note 7.
- Press the Power button + Volume up to enter Recovery Mode.
- Select Wipe Data/Factory Reset.
- Confirm the action and restart the phone.
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After a reset, don't restore data from the backup right away - check first how the clean system works. Often memory problems come back along with the old settings.
7. Additional tips for saving memory
To prevent memory from filling up too quickly on the Redmi Note 7, follow these guidelines:
- ๐ธ Set the camera to shoot at 12 MP instead of 48 MP (space saving up to 70 MP%).
- ๐ฎ Delete the cache of games after passing (for example, in Call of Duty Mobile, the cache can weigh 3-5 GB).
- ๐ฅ Use the lighter versions of apps (Facebook Lite, Messenger Lite, Twitter Lite).
- ๐ Regularly (once a month) clean the Download folder and browser cache.
For advanced users:
- ๐ ๏ธ Install Magisk and Universal Module GMS Doze to limit background activity of Google services.
- ๐ Use it. SD Maid (requires root) for deep cleaning of system debris.
- ๐ง Turn off Google Play Services for unnecessary accounts (via Google Play Services) ADB).
How to check the actual state of memory?
FAQ: Frequent questions about memory on Redmi Note 7
โ Why does it fill up quickly after cleaning up the memory?
โ Can I use it? SD-map as an internal memory?
โ How to clear your memory if your phone is not switched on?
โ What applications are better not to delete, so as not to break the system?
โ How much memory should be free for normal operation?
Now you know how to free up memory on Xiaomi Redmi Note 7 without losing important data. Start with simple ways (cleaning the cache, deleting unnecessary files), and only if the problem persists - move to radical measures (reset or delete system applications). Regular maintenance of the phone (once every 1-2 months) will help to avoid refilling memory.