How to clean memory on Xiaomi Redmi 7A: from cache to complete reset

Xiaomi Redmi 7A is one of the most popular budget smartphones, but its modest 16 or 32 GB of internal memory is quickly littered with garbage. Photos, app cache, system updates and hidden MIUI files can eat precious megabytes, slowing down the device. If your Redmi 7A started to slow down, issue notifications about memory shortages or refuse to install new applications, it’s time to act.

In this article, you will find proven ways to clean up memory, from basic (cache and debris removal) to radical (reset to factory settings). MIUI And they'll help you do that, and what to do if you don't see the flash drive, and there's a unique trick to migrating apps to the next one. SD-A card that works even on non-rooted devices.

1. Analysis of occupied space: what eats up memory?

Before you clean, you need to figure out what's taking up space. Redmi 7A has a built-in storage analyzer for that.

Settings → Memory → Analysis of storage

The system will show the distribution of memory into categories: applications, multimedia, system files, cache, etc.

• 📱 Applications – especially those that have not been used for a long time, but take up hundreds of megabytes (for example, games or social networks with accumulated data).
• 📷 Photos and videos -- even in low resolution, they accumulate quickly. DCIM, Downloads and WhatsApp Media.
• 🗑️ Cache and garbage – temporary files that can be safely deleted.
• 🔄 System updates — MIUI Sometimes saves old firmware versions that take up to 1-2 GB.

If the analyzer shows that the system data is more 5–6 GB is a reason to clean up deeply (this is in the section on cache resetting). Android/obb — There may be heavy game files (sometimes there are some). 1–2 GB).

2. Cleaning up cache and debris without data loss

The easiest and safest way to free up 500MB to 2GB is to remove the app cache and system debris, and you can do this in two ways:

Method 1: Through the MIUI settings

1. Open Settings → Memory → Cleaning.
2. Click Clean – the system will automatically find unnecessary files (cache, temporary data, empty folders).
3. For deep cleaning, tap Deep Clean and select unnecessary files manually (such as downloads or duplicate photos).

Method 2: Manually cleansing cache for individual applications

Some programs (such as Facebook, Instagram, or YouTube) can accumulate hundreds of megabytes of cache to clean it up:

Settings → Applications → Application Management → [Select App] → Storage → Clear Cache

⚠️ Note: Do not clear the cache for system applications (e.g. com.android.systemui or com.miui.home) – this can cause shell malfunctions MIUI.

Clear the cache through "Settings → Memory"

Check out heavy apps (games, social networks)

Delete the cache for Google Play Services and Google Chrome

Repeat cleaning after 1-2 days (cache accumulates quickly)

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

Standard facilities MIUI allow applications to be transferred to SD-It's a map, but with limitations. Here's how to do it right:

Step 1: Transfer supported applications

1. Put it in. SD-map (preferably class) UHS-I or Class 10 for speed).
2. Go to Settings → Applications → Application Management.
3. Select the application → Warehouse → Change. → SD-map.

⚠️ Note: Not all applications support portability: System programs (Google Play, Settings) and some games (e.g, PUBG Mobile cannot be moved.

Step 2: Remove embedded applications (without root)

Xiaomi likes to pre-install unnecessary programs (Mi Browser, Mi Music, GetApps) that can be disabled or removed:

Settings → Applications → Application Management → [Select Unnecessary] → Disable / Delete

If the Remove button is inactive, use ADB-command (computer required):

adb shell pm uninstall -k --user 0 com.mi.android.globalFileexplorer

List of disposal packages:

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If they reappear after the MIUI update after the ADB application is removed, use the adb shell pm hide command instead of uninstall.

4. Photo and video optimization: compression and cloud storage

High-resolution photos (12 MP on Redmi 7A) and video take up the lion's share of memory. Here's how to reduce their weight:

Method 1: Enable photo compression in MIUI Camera

1. Open the Camera app.
2. Tap on. ⚙️ Settings → Photo quality.
3. Choose High (compressed) over Original – this will reduce the weight of the photo by 30-50%.

Method 2: Automatic booting to the cloud

Use Google Photos or Mi Cloud to automatically download media files:

• 📁 Google Photos: Enable Backup and Sync in Settings. Photos will be available online, and originals can be deleted from your phone.
• ☁️ Mi Cloud: Settings → Accounts. → Mi Cloud → gallery → switch on sync.

Method 3: Manual compression through applications

Applications like Photo Compress or Video Compress can reduce the weight of files without a noticeable loss of quality.

• 📸 Photo 12 MP (4–5 MB) → After compression (80% quality) weighs 800-1200 KB.
• 🎥 Video: Full HD (1 minute = 100–150 MB) → compressed 720p It's 30-50 MB.

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Compressing photos by 50% and videos up to 720p can free up to 3-5 GB on the Redmi 7A with a large gallery.

5. Reset partition cache and Dalvik-cache (for advanced)

If standard methods don’t work and your smartphone is slowing down, try resetting the partition cache.This won’t delete your data, but will clear temporary system files that can take up to 1-2 GB.

Instructions:

1. Turn off the phone.
2. Press the Power button + Volume up until the Mi logo (Recovery mode) appears.
3. Use volume buttons to navigate, select Wipe & Reset → Wipe Cache.
4. Confirm the action and restart the phone.

⚠️ Warning: Don't confuse Wipe Cache with Wipe Data! The first one clears only the cache, the second one deletes all the data on the phone.

To clean it up even further, you can reset the Dalvik-cache, which will help if apps are crashing out a lot.

1. In Recovery, select Advanced → Wipe Dalvik Cache.
2. Restart the device (the first start after cleaning can take 5-10 minutes).

6. Full reset to factory settings (last resort)

If the memory is full of undeleteable system files and the smartphone is extremely slow, it will leave a complete reset, which will delete all data, including apps, photos and settings, so:

Preparation:

• 🔄 Make a backup copy through Settings → Additionally. → Backup and reset.
• 📁 Copy photos/videos to your computer or cloud.
• 📋 Write down logins/passwords from accounts (they will disappear!).

Resetting instructions:

Method 1: Settings (if the phone is working):

Settings → Additional → Backup and Reset → Resetting settings

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

1. Press the power + the volume up.
2. Choose Wipe & Reset → Wipe All Data.
3. Confirm the action and wait for the reboot.

⚠️ Attention: On Redmi 7A It takes 5-15 minutes to reset, and don't interrupt the process, even if the screen is stuck on the Mi logo for a long time! After the reset, the phone will be like new, you'll have to reset your accounts and install apps.

7.Prevention: How to prevent memory filling

To avoid clearing your memory every week, follow these tips:

• 📵 Limit background activity: in Settings → Battery → Power Management Turn Off Autostart for Unnecessary Applications.
• 📥 Set up automatic cleaning: in Settings → Memory. → Autoclean: Enable the option and set a schedule (e.g. once a week).
• 🚫 Block ads in your browser: it uploads unnecessary files to cache. Use AdGuard or the built-in blocker in Mi Browser.
• 🔄 Update apps selectively: in Google Play, turn off auto-update for heavy programs (games, video editors).

Also, you should regularly check the folder Downloads – there are often accumulated unnecessary APK-Files, documents and archives. For convenience, use the file manager Mi File Manager or Solid Explorer with sorted by size.

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Regularly cleaning the cache (every 3-5 days) and disabling the auto-start of applications can prevent memory from filling by 70-80%.

FAQ: Frequent questions about cleaning up Redmi memory 7A