How to Clean Xiaomi Redmi Properly 9A: cache-to-deep cleaning

Xiaomi Redmi 9A — One of the most popular budget smartphones, but over time, even it starts to slow down because of the accumulated digital garbage, and if your phone is slowing down, overheating frequently, or issuing notifications of memory shortages, it's time to clean up. In this article, we will discuss all ways to clean Redmi. 9A — From basic to advanced, which will return the device to its former speed.

It's important to understand that cleaning your phone isn't just about removing unnecessary files, it's about a holistic approach: freeing up RAM, cleaning up your app cache, removing viruses (if any), optimizing your background, and even physically cleaning your case, and we'll look at each step in detail so you can choose the right one for your situation.

Some methods will require minimal technical skills, others just a few taps, and the rule of thumb is to take your phone off the factory floor (unless it's an extreme case), start with simple steps and gradually move on to more radical measures.

1.Diagnosis: Why Redmi 9A healed»?

Before you start cleaning, you need to understand what exactly is slowing down the phone. - Redmi 9A Powered by MediaTek Helio processor G25 everything 2/3 GB of RAM — that's enough for basic tasks, but resources are quickly depleted when you use it»:

• 📱 Full memory: Less than 10% of the free space on the internal drive leads to lags.
• 🗑️ Cache and junk files: Apps accumulate temporary data that is not always deleted automatically.
• 🦠 Viruses or malware: especially if you have installed APK unverified.
• 🔄 Background processes: messengers, social networks and games continue to work in the background.
• 🔋 Battery wear: If the phone runs out in a few hours, it can indirectly affect performance.

To pinpoint the problem, check:

1. Free space: Settings → About the phone → Memory.
2. Employment RAM: Settings → Applications → Working.
3. Processor Temperature: If the phone is heated without a load, the cooling system may be clogged (dust in the speaker or connector).

Advice: if the phone began to “glue” after the update MIUI, The problem may be in the firmware, in which case it will help to roll back to the previous version or reset the settings (for this, see the section on radical measures).

2.Remove Memory: Delete Unnecessary Files

The first and most obvious step is to free up space on the internal drive.Redmi 9A squash 32 GB 64 GB of memory, but is available to the user 10-15% Less because of system files. Here's how to effectively clean up memory:

Built-in utility "Cleaning"

Xiaomi has provided for the MIUI quick-cleaner:

1. Open the Settings. → Cleaning (or “Security” in some versions) MIUI).
2. Click Clean up garbage – the system scans unnecessary files (cache, temporary data, empty folders).
3. Select Deep Clean to remove duplicate photos, large files and unused files APK.

Important: Do not manually delete files from Android folders or MIUI — This can lead to system failures.

Manual cleaning: what can be removed safely

Some files take up space but are not needed to run the phone, and can be manually deleted:

• 🎵 Download: The Download folder is often crammed with old documents, pictures and APK. Check it through the files. → Categories → Downloads.
• 📸 Duplicate Photos: Use Google Photos or Gallery Doctor to find repetitive photos.
• 🎬 Messenger cache: Gigabytes of media accumulate in WhatsApp or Telegram. Clear the cache in the settings of each application.
• 🎮 Games like Free Fire or Call of Duty Mobile can weigh in on the game. 1-2 GB each. Remove unnecessary ones or transfer to the memory card.

If you are actively using a memory card, transfer media and some applications to it (but not all – some programs do not support work with the memory card). SD). For that:

1. Open the Settings → Applications.
2. Select an app (like Spotify or Netflix).
3. Click Warehouse → Change → Memory Map.

3.Cache cleanup and application optimization

Cache is a temporary file that creates applications to speed up their work, accumulates over time and takes up gigabytes of memory, and sometimes even causes crashes. Clearing the cache will not delete your data (logins, messages, game progress), but can log out of accounts in some applications (for example, in banking).

Clearing cache for individual applications

To clear the cache of a particular application:

1. Go to Settings → Applications → Application Management.
2. Select the app you want (like Facebook or YouTube).
3. Press Warehouse. → Clear the cache.

Warning: Do not clear the cache of system applications (e.g. com.android.systemui or MIUI Home – This can cause interface failures.

Mass cleaning of the cache

If you want to clear the cache of all applications at once:

1. Open the Settings → Storage.
2. Select Cache Data.
3. Confirm the cleanup.

After mass cache clearing, the phone can run slower in the first hours - that's OK. apps need time to recover temporary files.

Optimization of autoloading

Many apps start automatically when you turn on your phone and run in the background, consuming RAM.

1. Go to Settings → Applications → Application Management.
2. Select an app (such as AliExpress or TikTok).
3. Press Autostart and turn off the option.

💡

If you are not sure which app to disable from autoboot, start with social media and games. System processes (such as Google Play Services) are not recommended to be touched.

4. Removal of viruses and malware

Redmi 9A base MIUI It has built-in virus protection, but it doesn’t always cope with threats, especially if you’ve installed apps from third-party sources (APK). Signs of infection:

• 🚨 Appearance of unfamiliar apps on the menu.
• 📴 Advertising in places where it shouldn’t be (e.g. settings).
• 🔋 Fast battery discharge for no apparent reason.
• 📡 Suspicious activity of mobile traffic.

Checking with built-in antivirus

MIUI includes security (or security) where there is a basic antivirus:

1. Open Settings → Security → Scanning.
2. Run a virus test.
3. Delete the threats you've detected.

4.2 Third-party antiviruses: which to choose

If the built-in scanner found nothing, but suspicions remain, install one of the tested applications:

Important: Don’t install multiple antiviruses at the same time – they will conflict and slow down your phone.

Manual removal of suspicious applications

If the antivirus fails, check the list of installed programs:

1. Go to Settings → Applications → Application Management.
2. Sort by installation date – new unfamiliar apps can be viruses.
3. Remove anything suspicious, especially with names like System Update, Flash Player, or Clean Master (unless you installed them).

5. System optimization: settings MIUI speed up

MIUI It offers several built-in features to optimize the phone, and many users don't use them, although they can significantly improve performance.

Performance mode

At Redmi. 9A There is a hidden mode that limits background processes:

1. Open the Settings. → Special facilities → Performance mode (in some versions) MIUI path may differ).
2. Enable the option to limit background processes.

5.2. Cancel animation

The animations of the transitions between the screens look beautiful, but the weak phones are slowed down.

1. Activate Developer Mode: Settings → About Phone → MIUI version (click 7 times).
2. Back to Settings → Additionally. → For developers.
3. Find parameters: Window animation scale → Disable. Transition animation scale → Disable. Animator duration → Disable.

Effect: The phone will respond to clicks instantly, without delay when opening apps.

5.3 Cleanup RAM manually

If the phone starts to “hang”, you can manually free up RAM:

1. Press the menu button (or swipe up and hold if you have gesture control).
2. Click on the icon Close everything (cross or trash can).
3. For deep cleaning, use the settings → Cleanup → Freeing up the memory.

How to make a discharge

There are two ways:

Method 1: Through settings

1. Open Settings → About the phone → Reset settings.
2. Choose to erase all data.
3. Confirm the action (you will need to enter a pattern lock or PIN).

Method 2: Recovery (if the phone is not turned on)

1. Turn off the phone.
2. Press the Power button + Volume up until the Mi logo appears.
3. In the Recovery menu, select Wipe Data → Wipe All Data (manage volume buttons, confirmation – power button).
4. After reset, select Reboot.

⚠️ Note: If you sell or give away your phone, be sure to log out of your Mi Account after the reset (Settings) → Xiaomi account → Otherwise, the new owner will not be able to activate the device!

6.2 What to do after discharge

After the hard reset:

• 🛠️ Install only the necessary apps (don’t clog your phone right away!).
• 🔒 Do not restore data from a backup if it was created on an infected phone – viruses can come back.
• 🔄 Update. MIUI Up to the latest version (Settings) → Updating the system).

7. Physical cleaning: body, speakers, connectors

Digital cleaning is half the battle.Redmi 9A, Like any other smartphone, it needs physical cleaning, and dust, dirt and moisture can cause overheating, poor contact when charging, or distortion of sound.

Cleaning of the charging connector

If the phone is not charging well or the cable is falling out, the problem may be a contaminated Micro-USB connector:

• 🪥 Use a plastic toothpick or a special brush for electronics.
• 🚫 Do not use metal objects (needles, paper clips) – they can damage contacts.
• 💨 To remove dust, you can use a canister with compressed air (keep at a distance of 10 cm).

Cleaning of speakers and microphone

If the sound is quieter or there are wheezing:

• 🔊 Wipe the speaker grilles with a soft brush (for example, a toothbrush).
• 🚫 Don’t blow into the speaker with your mouth – saliva can oxidize contacts.
• 🎵 To check the microphone, record a voice message or use the Sound Meter app.

Screen and body cleaning

For screen care:

• 🧴 Use special wipes for machinery or microfiber.
• 🚫 Avoid alcohol-containing liquids - they spoil the oleophobic coating.
• 📱 To clean the case, you can use a wet napkin (without abrasives!).

⚠️ Warning: If your phone has fallen into water or been in a damp environment for a long time, don't turn it on right away. 24-48 hours before attempting to switch on.

8 Prevention: How to avoid future “brakes”

To Redmi. 9A You have worked longer, follow simple rules:

• 📵 Do not install apps from unknown sources (especially hacked games or fashionable versions of programs).
• 🗑️ Clean the cache regularly (once in a week) 1-2 weekdays).
• 🔄 Update. MIUI — In new versions, correct errors and optimize performance.
• 📴 Use lightweight versions of apps (e.g. Facebook Lite, Messenger Lite).
• 🔋 Do not discharge the phone to 0% – this accelerates battery wear and can cause lags.

If you play heavy games often (Free Fire, PUBG Mobile, consider buying a memory card (up to 512 GB) to port games, and you can also use game boosters like Game Turbo (built into the game). MIUI):

1. Open Settings → Special features → Game Turbo
2. Add games to the list and enable optimization.

Tip for gamers: reduce the graphics in games to Medium or Low – this will reduce the load on the processor and reduce overheating.

💡

Regular cache cleaning and abandoning “heavy” applications will prolong the life of Redmi 9A on 2-3 yearless.

FAQ: Frequent questions about cleaning up Redmi 9A