How to Speed Up Xiaomi Redmi 9A: A Complete Optimization Guide

Xiaomi Redmi 9A — One of the most popular budget smartphones, but over time, even it begins to slow down: apps open for a long time, animation twitches, and the system hangs when multitasking. G25, everything 2/3 GB of RAM and overloaded shell MIUI The good news is you can get it back to speed without buying a new phone.

Here are 10 proven ways to speed up Redmi. 9A, From basic (cache cleaning) to advanced (developer customization and back-end limitations). MIUI 12-14 and do not require root rights, and we will also discuss what actions can harm the smartphone and how to avoid typical optimization errors.

1.Diagnosis: Why the Redmi is slowing down 9A?

Before we start optimizing, it's important to understand the root of the problem. 9A There are three bottlenecks»:

• 🔋 RAM Lack: 2-3 GB of RAM is quickly clogged with background apps, especially if you use instant messengers (WhatsApp, Telegram) and social networks.
• 🗃️ Completed storage: when filling the memory 90%+ The system is starting to lay. 9A squash 32/64 GB ROM, of which is actually available ~25–55 GB.
• 🤖 MIUI and Blaatware: the shell Xiaomi sins unnecessary services (Mi Browser, GetApps, Mi Video), which load the processor even in the background.

To determine the cause of the brakes:

1. Open the Settings. → The phone. → Version. MIUI and tap 7 times on the item "Kerole" (activates the developer menu).
2. Back to Settings → Additionally. → For developers and include Process Statistics (shows which applications eat RAM).
3. Check the free space in the Settings → If it's less than 5GB, clean your memory immediately.

2. Memory cleanup: remove garbage and cache

The first step to speed up is to make room in the storage and RAM. 9A This is critical: when filling memory at 85%+ The system begins to automatically kill processes, which causes slowdowns.

2.1 Deletion of unnecessary files

• 📁 App cache: Go to Settings → Warehouse → Clean (delete temporary files without damaging data).
• 🎵 Downloads and Media: Check Download folders, DCIM and Pictures through any file manager (e.g. Files by Google).
• 🗑️ Basket: In MIUI The deleted files go into the cart and take up space for another 30 days. → Basket.

Optimizing storage with built-in tools

V MIUI There is a hidden Deep Clean feature that removes residual files from uninstalled applications:

1. Open Security. → Cleanup.
2. Slap the icon. ⚙️ In the upper corner and select Deep Cleaning.
3. Confirm removal (can free up to 1-3 GB of space).

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If your memory is filling up quickly after cleaning, check apps like Facebook or TikTok, which download gigabytes of cache in the background. → SIM-maps and mobile networks → Transfer of data.

2.3. Transfer of data to memory card

Redmi 9A It supports microSD up to 512GB, but not all applications can be ported to use the card as the primary storage:

1. Insert microSD (UHS-I U1 or higher is recommended).
2. B Settings → Storage tap on the card and select Format as internal storage.
3. After formatting, transfer data manually or through Settings → Annexes → [Select an application] → Warehouse → Change.

⚠️ Warning: Formatting the card as an internal storage device will make it tied to this phone, and once retrieved, the data on it will be inaccessible without resetting.

3. Optimization MIUI: shut down the extra functions

MIUI Overloaded with animations, widgets and background services that eat up resources:

3.1 Simplification of animation and transitions

Reducing animation time will speed up the system’s visual response:

1. Activate the developer menu (see section 1).
2. Go to Settings. → Additionally. → For developers and find:
3. Set the scale of the animation window, the scale of the animation transition and the duration of the animator on 0.5x or disconnect.

3.2. Disconnection MIUI-chips that slow down the system

• 🎨 Themes and wallpaper: Live wallpaper and animated themes load the processor. Return the standard theme to Settings → Wallpaper.
• 🔍 Application Search: Turn off Screen Search in Settings → Main screen screen → Screen search.
• 📡 Auto-update MIUI: Go to Settings. → The phone. → Updating the system → ⚙️ → Auto Download Updates and Turn Off the Option.

Restriction of background processes

By default. MIUI It allows applications to run in the background without restrictions:

1. Open Settings → Applications → Application Management.
2. Select an app (such as Facebook) → Battery → Limit background activity.
3. For radical optimization in For Developers, set a Process Limit on a Maximum 2 process in the background.

Set up static wallpaper|Turn off live themes|Reduce animation to 0.5x|Limit background activity of messengers|Turn off auto-update MIUI-->

4. Application Management: What to Delete and How

Even after the Redmi drop-off 9A And then you have embedded software that you can't remove by standard means, but you can disable it or delete it through a computer. ADB.

List of safe applications for removal

These programs are not critical to the system and can be disabled:

4.2 How to remove system applications without root

Removal is required. ADB (Android Debug Bridge and Computer:

1. Download Google’s Platform Tools and unpack.
2. Enable USB Debugging in Settings → For Developers.
3. Connect your phone to your PC and type in the command line: adb devices (the device should appear).
4. Remove the unnecessary application by command: adb shell pm uninstall -k --user 0 com.xiaomi.mipicks (replace com.xiaomi.mipicks with the desired package from the table).

⚠️ Note: Do not remove system applications with com.android., com.miui. (except as indicated in the table) - this can lead to system crash and the need to flash the system.

5. Battery and performance setup

Incorrect battery settings can artificially limit Redmi performance 9A. For example, the charge saving mode reduces the clock speed of the processor by 30%, which causes lags.

Optimal feeding regimens

• ⚡ Turn off battery savings in Settings → Battery → Battery mode → Productivity.
• 🔄 Adaptive battery: turn on the settings → Battery → Adaptive battery – this will limit background activity of rarely used applications.
• 🛑 Restriction for individual applications: C Settings → Battery → Battery use select an app (such as Instagram) and set a Restricted Background Mode.

Calibration of the battery (if the phone suddenly turns off)

If Redmi 9A It shows 20 to 30 percent charge and suddenly shuts down, calibration will help:

1. Charge your phone to 100% and don’t turn off charging for another 2 hours.
2. Turn it off and discharge to 0% (until it turns off).
3. Charge again to 100% without interruption.
4. Repeat the cycle 2-3 times.

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Performance mode in the battery settings increases the CPU clock speed to maximum, but reduces battery life by 15-20%. Use it only when you are actively loading (games, video editing).

6. Advanced methods: for experienced users

If the basics didn't work, try these advanced tricks, which require precision, but they give you a noticeable boost in productivity.

Reset to factory settings (without loss of data)

A full reset removes all settings and cache, returning the system to a "clean" state, so as not to lose data:

1. Make a backup copy in Settings → Additionally. → Backup and reset → Local backup.
2. Transfer important files to a memory card or PC.
3. Perform a reset to Settings → Additionally. → Backup and reset → Resetting settings.
4. After the reboot, restore the data from the backup (don’t restore the application settings – they can return the lags!).

6.2. Firmware on custom software (TWRP + LineageOS)

If you’re willing to take risks, custom firmware (like LineageOS or Pixel Experience) can give you:

• 🚀 Increased performance by 20-40% due to optimized core.
• 🆕 Up-to-date version of Android (up to Android 13 instead of the standard Android 10 in) MIUI).
• 🗑️ Lack of Blaatware and Xiaomi Background Processes.

Installation instructions:

1. Unlock the bootloader via Mi Unlock Tool (requires a Xiaomi account and wait 7 days).
2. Install TWRP Recovery via Fastboot: fastboot flash recovery twrp.img fastboot boot twrp.img
3. V TWRP Backup the Data section and flash custom software.

⚠️ Note: Unofficial firmware may contain bugs (such as a broken Wi-Fi or camera). XDA Developers for Redmi 9A (codename).

Overclocking of the processor (only for Helio) G25)

MediaTek Helio processor G25 redmi 9A You can accelerate to 2.1 GHz (from the standard 2.0 GHz) with a KernelSU or Magisk core:

• ⚡ Increases heating and battery consumption.
• 🔥 Could shorten the life of a chip.
• 🚫 Cancellation of the warranty (if it is still valid).

If you take a risk, follow the guides to 4PDA or XDA, But remember: even a small acceleration on low cooling Redmi 9A can cause trottling (automatic frequency reduction due to overheating).

7.Alternative launchers and lightweight applications

Shell MIUI And standard Google apps are heavily loaded with Redmi 9A. Replacing them with lightweight analogues will increase the speed.

7.1 Best launchers for weak smartphones

7.2 Lightweight analogues of popular applications

• 📱 Facebook Lite (2 MB) instead of the main app (150 MB)+ Hermit Lite Apps – creates lightweight web versions of applications.
• 🎵 Music: Vinyl Music Player (5MB) instead of Spotify or YouTube Music.
• 📷 Photo/video: Simple Gallery (3 MB) instead of Google Photos. Open Camera (10 MB) instead of the standard camera MIUI.

7.3. disable Google Play Services (radical method)

Google Play Services is one of the main “eaters” of RAM on Redmi 9A. It cannot be removed, but it can be limited:

1. Go to Settings → Applications → Application Management → Google Play Services.
2. Choose the Battery. → Limit background activity.
3. Turn off auto-update in Google Play → ⚙️ → Auto-update of applications → Never.

⚠️ Note: Disabling Google Play Services completely will disrupt Google Maps, Gmail and other services, and only use this method if you are willing to abandon them.

8 Hardware methods: if the software does not help

If Redmi 9A slows down even after all optimizations, the problem may be in the hardware:

• 🔋 Worn battery: with a capacity below 70% of the nominal value, the phone begins to trott (lower performance). → Battery → Battery status or through the AccuBattery app.
• 🔥 Overheating: if the body is heated above 45°C, the processor automatically reduces the frequency. Clean the phone from dust (especially the charging connector) and avoid direct sunlight.
• 💾 Damaged flash memory: If applications suddenly close or data deteriorates, the memory chip may be worn out. AIDA64 (storage → State of health).

Decisions:

• 🔧 Replacement of thermopaste: in the service center (cost) ~1000–1500 ₽). Gives a decrease in temperature by 5-10°C.
• 🔋 Battery replacement: the original battery for Redmi 9A worth ~1500–2000 ₽. After replacement, check that the capacity corresponds to 5000 mAh.
• 🛠️ Flashing through EDL: if the phone is not turned on or constantly rebooted, the firmware in emergency mode will help (EDL Mode using Mi Flash Tool.

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If Redmi 9A It's slowing down after a drop or a slug, and software optimization won't work, it requires a diagnostic at a service center, and the typical "iron" symptoms are random reboots, artifacts on the screen, no network.

FAQ: Frequent questions about Redmi 9A acceleration