Xiaomi Redmi Note 3 Memory Cleanup: A Complete Guide to Accelerating Your Phone

Xiaomi Redmi Note 3 is a legendary smartphone that is still used by millions of users. However, over time, even this “unkillable” device begins to slow down due to the filled memory. If your Redmi Note 3 is slower, applications fly out, and the system issues notifications about the lack of space, it’s time to clean the memory.

In this article, we’ll look at all the possible ways to free up memory on the Xiaomi Redmi Note 3, from basic (delete unnecessary files) to radical (reset to factory settings), learn how to properly clean the cache, which applications can be safely removed, and what to do if the phone is “hang” during the cleaning phase, and also unique tricks for models with MIUI 7-9 firmware that do not work on new versions.

Important: Redmi Note 3 came in two versions, with Snapdragon 650 (global firmware) and Mediatek Helio X10 (Chinese version). Some cleaning methods may vary depending on the hardware. We will specify the nuances for each modification.

1. Diagnosis: how much memory is occupied and what

Before you clean, you need to understand what exactly takes up space on your Redmi Note 3.

1. Go to Settings → About the phone → Memory.
2. Wait for the analysis (it can take up to 30 seconds).
3. Study the diagram: usually most of the space is occupied by applications, cache, multimedia (photo / video) and system files.

Typical memory allocation on Redmi Note 3 (16/32GB):

⚠️ Note: If you see a "Other" item in the "Memory" section, more than 5 GB, this is a sign of system debris that is not cleaned by standard methods, in which case only a factory reset or manual root-right cleaning will help.

2.Cache cleanup: A quick way to release 1–3GB

Cache is a temporary file that creates applications to speed up work, and over time, it accumulates and takes up gigabytes of memory. On the Redmi Note 3, the cache can be cleared in two ways:

Method 1: Clearing the cache for individual applications

Suitable if you want to make room selectively:

1. Open the Settings → Applications.
2. Select an app (such as YouTube or Facebook).
3. Click Clear Cache (not to be confused with Clear Data – this will remove all app settings!).

Method 2: Mass cleaning of the cache

Quickly but removes the cache of all applications:

1. Go to Settings → Memory → Cash applications.
2. Press Clean (can take 1-2 minutes).

💡 Useful tip: After cleaning the cache, some apps (like Google Maps or Instagram) will load longer on the first run - this is normal.

3. Removal of unnecessary applications and transfer to SD-map

Redmi Note 3 often has pre-installed apps installed MIUI, which cannot be removed by standard methods (e.g. Mi Music, Mi Video, Browser) but can be disabled or transferred to the SD-map (if installed).

How to Disable System Applications

Disabled applications will not work and will not take up RAM, but will remain in the system:

1. Go to Settings → Apps.
2. Select an unused app (such as Mi Radio).
3. Click Disable (the button will appear if the application cannot be removed).

How to transfer applications to SD-map

⚠️ Attention: On Redmi Note 3 with MIUI 7-8 transfer of applications to SD It's unstable -- some programs may stop running!

Instructions:

1. Put it in. SD-card (class 10 is recommended or UHS-I).
2. Go to Settings → Applications.
3. Select the application → Memory. → Change. → SD-map.
4. Confirm the transfer (may take a few minutes).

📌 List of apps that can be safely removed or disabled:

• 🎵 Mi Music is the standard player (replace with Spotify or Spotify) VK Music).
• 📺 Mi Video - Video Player (use) VLC or MX Player).
• 🌐 Browser - browser MIUI (Install Chrome or Firefox).
• 📻 Mi Radio — FM-Radio (not used in practice).
• 📱 Cleaner – standard cleaner (works worse than CCleaner or CCleaner) SD Maid).

4. Cleaning up multimedia: photos, videos and downloads

High-resolution photos and videos (especially from the Redmi Note 3 camera at 16 MP) take up to 5-10 GB. Here’s how to optimize them:

Method 1: Removing duplicates and failed images

Use applications to find duplicates, such as:

• 📷 Google Photos (automatically finds similar photos).
• 🔍 Duplicate Files Fixer (seeks duplicate files).
• 🗑️ Files by Google (deletes blurry or dark photos).

Method 2: Compression of photo and video

If you do not want to delete files, reduce their size:

• 📸 Photo & Picture Resizer (compresses without loss of quality).
• 🎥 Video Compress (reduces resolution to Full) HD).

Method 3: Move to the cloud or PC

The most reliable way to free up space is to delete files from your phone after backing up:

• ☁️ Upload photos to Google Photos (up to 15 GB free).
• 💻 Move it to the PC. USB or through Mi Drop (built-in application) MIUI).
• 🔗 Use Telegram (send files to yourself in Save Messages»).

⚠️ Note: If you delete photos from your phone, make sure they are fully uploaded to the cloud.In Google Photos, the cloud icon in the top right corner of the thumbnail should turn blue (not gray).

💡

In Redmi Note 3, the camera saves the photo in.jpg format by default, but you can turn on HEIF (takes up 2 times less space). To do this, install MIUI Camera from Google Play and select the format in the settings.

5. Cleaning system files and “junk” (without root)

Over time, temporary files, logs, remnants of deleted applications and other debris accumulate in the system, and on Redmi Note 3, it can be cleaned without superuser rights:

Method 1: Integrated MIUI cleaner

MIUI has a built-in cleaning tool:

1. Open the Security app (shield icon).
2. Select Cleanup. → Deep cleaning.
3. Check all items (cache, residual files, unnecessary APKs).
4. Press Clear.

Method 2: Third-party cleaners

If the built-in cleaner fails, use:

• 🧹 SD Maid (finds garbage in the back of the system).
• 🗑️ CCleaner (clears cache and history).
• 🔍 Files by Google (shows large and unnecessary files).

🔹 Key conclusion: On the Redmi Note 3 with MIUI 7-8 built-in cleaner does not remove all types of garbage. SD Maid with the “Corp” option enabled (requires permissions).

6. reset to factory settings (hard reset)

If all previous methods failed and the phone still brakes, the last resort is a factory reset, which will delete all data, including apps, photos and settings, but return the smartphone to its original speed.

How to Reset Through the Settings Menu

The safest way is:

1. Make a backup copy of important data (contacts, photos, messages).
2. Go to Settings → Additional → Recovery and Reset.
3. Select Settings Reset.
4. Confirm the action (a password may be required).
5. Wait for the reboot (it will take 5-10 minutes).

How to Reset Through Recovery

If the phone is not turned on or got stuck:

1. Turn off the Redmi Note 3.
2. Press Volume Up + Power before the Mi logo appears.
3. In the Recovery menu, select Wipe Data (manage by volume buttons, choose by power button).
4. Confirm reset (Yes).
5. After completion, select Reboot.

⚠️ Watch: Redmi Note 3 with Mediatek Helio X10 (Chinese version) after reset may require re-assignment of the account Mi. If you do not remember the password, the phone will become a "brick"! → Mi Account.

💡

Resetting to factory settings on Redmi Note 3 deletes all data, but does not fix hardware problems (such as worn memory or damaged battery). If you have brakes left after reset, check the battery health in Settings → Battery → Status.

7. Additional tips for advanced users

If you’re ready to go beyond standard methods, here are some expert tricks for the Redmi Note 3:

1. Clearing Dalvik cache (requires Recovery)

Dalvik cache is a temporary file of the Android virtual machine, and cleaning it can speed up the system:

1. Go to Recovery (as in the instructions above).
2. Choose Advanced → Wipe Dalvik Cache.
3. Confirm and restart the phone.

2. Disabling animations (speeding up the interface)

To do this, you need to turn on the developer mode:

1. Go to Settings. → The phone.
2. Click on the MIUI version 7 times (you will be notified that you are a developer).
3. Back to Settings → Additionally. → For developers.
4. Find the items: Window Animation Scale → Off. Size of Transition Animation → Off. Duration of the Animator → Off.

3. Use of Lite versions of applications

Replace the “heavy” applications with lighter versions:

• 📱 Facebook Lite instead of Facebook (saving 100)+ MB).
• 💬 Messenger Lite instead of Messenger.
• 🎵 Spotify Lite instead of the full version.
• 📺 YouTube Go to watch videos without caching.

🔧 Useful life hack: On Redmi Note 3 with MIUI 7 you can disable the auto-update of applications in Google Play so that they do not occupy memory in the background. → Settings → Auto-update of applications → Never.

FAQ: Frequent questions about cleaning up memory