Memory settings in Xiaomi Redmi 9C: Where to find and how to set up

Xiaomi Redmi 9C

"Not enough memory."

"Clear the place."

Many users get lost in the maze of menus MIUI, Especially if you've used other brands' smartphones before, and this article is a step-by-step review of all the ways you can manage memory on Redmi. 9C, And we're going to look at not only the standard tools, but also little-known tricks that can make room without deleting important data.

If your smartphone is slowing down and your apps are suddenly shutting down, it's not always the iron stuffing that's to blame. Most often, the problem is overcrowded memory, fragmented files, or Dalvik cache failures. You'll learn how to diagnose the state of the drive and return the device to speed.

Where to find memory settings in Redmi 9C: 3 ways

Depending on the version MIUI (12, 13 or 14) the path to memory settings may be slightly different.

Method 1: Through the main menu "Settings"

This is the most obvious path, but many users overlook it.

1. Open the Settings app (the gear icon on the home screen).
2. Scroll down and select the About Phone section.
3. Slip on the item Memory (or Storage in some firmware).

Here you will see a diagram of occupied space, broken down into categories: applications, multimedia, cache, etc.

Method 2: Through "Security" (for the MIUI 12/13)

In some versions of the firmware, the memory section is “hidden” in the security menu:

1. Go to Settings. → Security.
2. Choose Optimization or Cleanup.
3. Click on the Memory tab at the top of the screen.

Method 3: Quick access through the notification panel

If you need to vacate the space immediately, use this life hack:

1. Swipe down from the top edge of the screen to open the notification bar.
2. Slip on the Cleaning icon (broom or basket).
3. In the window that opens, select Memory for detailed analysis.

If none of these methods worked, you may have your device disabled the system partition memory (rarely, but it happens after unofficial firmware), in which case, resetting to factory settings or flashing through Fastboot will help.

Memory Chart Decoding: What Takes Place?

When you open the Memory section, you'll see a color diagram of the distribution of the space you're occupied, and you'll see what each segment means and if it can be safely cleaned.

• 📱 Applications: Installed programs and their data. Here you can delete unnecessary applications or transfer them to SD-card (if supported).
• 📷 Multimedia: Photos, videos, music. Most of the time, memory eats -- check folders. DCIM and downloads.
• 🗑️ Cash: Temporary application files. You can clean up without consequences, but some programs (like messengers) will take longer to load on the next run.
• 📄 System data: OS files, updates, log files. manual cleaning is not recommended - use built-in optimization.
• 🔄 Other: Residual files after deleting applications, downloading from the Internet. Often up to 1-3 GB of garbage is hidden here.

Attention! If the System Data segment is larger than 10GB, this may indicate:

• Failure to work MIUI Optimization (reboot required).
• Residual files after firmware update (you need to clean the folder) /cache recover).
• Viral software masquerading as system processes (check through Google Play Protect).

For detailed analysis, use third-party utilities, for example:

• Files by Google – shows junk files and duplicates.
• SD Maid – Clears residual files after uninstalling applications.
• DiskUsage – visualizes the occupied space by folders.

How to Clean Your Memory on Redmi 9C: step-by-step

Make room for Redmi. 9C There are a number of ways that we can do this, from basic cache cleaning to deep optimization.

Step 1: Cleaning the app cache

1. Open Settings → Applications → Application Management.
2. Choose an app that takes up a lot of space (like Facebook or Telegram).
3. Slip the vault. → Clear the cache.

Do not clear the application data (Clear Data button) if you do not want to lose logins, settings and downloaded files!

Step 2: Delete unnecessary files

Use the built-in File Manager (MI File Manager):

1. Open the Files app.
2. Go to the Category section → Large files or recently opened files.
3. Remove unnecessary videos, APK-files, archives.

Step 3: Optimization through “Security”

1. Go to Settings. → Security → Cleanup.
2. Press Deep Clean and wait for analysis.
3. Check the unnecessary files and tap Clear.

Step 4: Transfer of data to SD-map

If you have a microSD installed, transfer multimedia and some applications to it:

1. Insert a memory card (up to 512 GB is supported).
2. Open the Settings. → Warehouse → SD-map.
3. Choose to Move Data or Use as internal memory (the second option formats the card!).

⚠️ Attention! If you select the "Use as internal memory" option, the card will be encrypted and won't be readable on other devices. - For Redmi 9C It is better to use it as a portable storage (without formatting).

Step 5: Resetting cache in Recovery Mode

If standard methods don’t help, clear the cache through the recovery mode:

1. Turn off the phone.
2. Press Power + Volume up until the Mi logo appears.
3. Select Wipe Cache Partition (Manage – volume buttons, confirmation – power button).
4. Reboot the device (Reboot System).

💡

Regularly cleaning the cache through Recovery helps to avoid system “hangs”, especially after updates MIUI.

Hidden memory settings: what can be configured additionally

In addition to the standard tools, the Redmi 9C There are hidden memory management features that are available through a developer or a dedicated team.

1. Enabling the “Adaptive Memory” mode

This feature automatically optimizes the use of RAM and ROM:

1. Activate Developer Mode: Settings → About Phone → MIUI version (tap 7 times).
2. Back to Settings → Additionally. → For developers.
3. Find the option Adaptive Memory and turn it on.

2. Limitation of background processes

Too many applications in the background “eat” RAM and slow down:

1. In the developer menu, find Process Limitation.
2. Select Process Maximum 2 (for memory savings) or Standard Limit (for balance).

3. Disable automatic download of multimedia

Messengers (WhatsApp, Telegram) automatically download photos and videos, clogging the memory:

1. Open the messenger settings.
2. Go to Warehouse and Data → Autoboot multimedia.
3. Turn off download for mobile data and Wi-Fi.

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If you have a Redmi. 9C Often overheats when charging, check the Memory section → System data: A large volume (over 5 GB) may indicate a cyclic log record due to a thermal-engine failure, solution: reset to factory settings or update firmware.

Memory errors on Redmi 9C: causes and solutions

Even after cleaning, users encounter errors such as “Insufficient memory», «SD-Card damaged" or "Memory is filled" with free 10+ GB: Let's look at typical problems and their solutions.

1. Error: "Insufficient memory" when installing applications

Reasons:

• Fragmented memory (especially after frequent removal/installation of applications)
• Section limitation /data (squash).
• The Google Play Services malfunction.

Decisions:

• Reset the device.
• Clear the cache of Google Play Market and Services.
• Install the application through APK (For example, with APKMirror).

2. Mistake: «SD-Card not found" or "damaged»

Reasons:

• File system of the map (FAT32/exFAT/NTFS) unsupported.
• The microSD slot contacts are contaminated or oxidized.
• The card is formatted as internal memory on another device.

Decisions:

• Format the map in FAT32 PC.
• Clear the slot SD card reader (use alcohol and cotton swab).
• Try a different memory card (class 10 is recommended or not). UHS-I).

Error: "Memory is full," but there is space available

This problem arises from a failure in work. FUSE (Filesystem in Userspace, the partition mounting component:

• Execute the command in ADB: adb shell sm set-force-adoptable true (requires PC connection and enabled Debugging) USB).
• Delete the folder. /data/media/0/.thumbnails (sketches).
• Reset the settings to factory (pre-make a backup!).

⚠️ Attention! If the memory is filled error persists after resetting, this may indicate hardware wear of flash memory (em)MC). In this case, only a replacement motherboard will help. You can diagnose the problem through the eMMC Checker test (available on Google Play).

How to increase memory in Redmi 9C: alternative methods

If 64/128 GB is categorically lacking, consider the following options:

1.Use of OTG-storage

Connect the flash drive through OTG-adapter-C → USB-A) And you can transfer movies, music, or backups to it, and the read/write speed is lower than the internal memory, but that solves the space problem.

2. Cloud storage

Services like Google Drive, Mi Cloud, or Yandex Disk allow you to automatically sync photos and videos.

1. Open Google Photos.
2. Go to Settings → Backup and Synchronization.
3. Select quality ("High" or "Original") and enable the option.

3. Removal of pre-installed applications (bloatware)

On the Redmi. 9C Many unnecessary system applications (Mi Video, Mi Music, GetApps) can't be removed without root permissions, but you can disable them:

1. Go to Settings → Apps.
2. Select an unneeded app (such as Mi Pay).
3. Turn it off (do not "delete"!).

4. Transfer of applications to SD-map (requires root)

Standard facilities MIUI They allow you to map only a portion of the applications, and you need root rights and an app to be fully controlled. App2SD or Link2SD.

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The safest way to increase memory is to use cloud storage or OTG-Methods with root rights or modification of system partitions can lead to loss of warranty and unstable operation of the device.

FAQ: Frequent questions about memory at Redmi 9C