How to speed up Xiaomi Redmi 6A in 2026: from cleaning cache to firmware

Xiaomi Redmi 6A

Helio A22

MIUI starts to “brake” due to accumulated debris, system updates and background processes

In this article, 10 proven ways to speed up Redmi 6A, from basic (cache cleaning, animation disabling) to advanced (fixing, kernel optimization) methods tested on current versions of MIUI (including MIUI 12.5 and custom firmware) and do not require root rights, unless otherwise stated, special attention was paid to the balance between performance and autonomy, because no one needs to accelerate due to battery discharge in 3 hours.

Before you start optimizing, check your current system boot: go to Settings → About Phone → System Status. If less than 200 MB is free in the Memory section and the Processor loads more than 50% in idle, your Redmi 6A definitely needs “treatment.”

1. Cleaning the system: remove garbage and cache

The main reason for the brakes on the Redmi 6A is clogged memory. At 16GB of internal storage (of which ~10GB is available), even 2-3GB of “garbage” can lead to lags. Start with a basic cleaning:

• 🧹 Cleaning the app cache: Go to Settings → Annexes → App management, select any app (like Google Play Services) and click Clear Cache. Repeat for all apps where the cache is over 100MB.

Once cleaned, restart your phone. If your memory is over 1.5GB, you should already feel the speed boost when you open your apps. If you don't, move on to the next step.

⚠️ Note: Do not clear the cache of system applications like MIUI System or Android System manually! This can cause interface failures. Only use the built-in Cleanup utility to clean them.

2. MIUI optimization: disabling background processes and animations

MIUI is known for its heavy-duty interface, which on the weak Redmi 6A hardware works suboptimally.

• 🎭 Turn off animation: Activate Developer Mode (7 times click on Version) MIUI» In Settings → About the phone, then go to Settings → Additionally. → For developers and set all three animation parameters (Window animation scale, Transition animation scale, Animator duration) on Off. or 0.5x.
• 🔄 Background Limitation: In the same Developer Menu, find the Process Limit and select a Maximum 2 process in the background. This will reduce RAM consumption, but some applications (such as instant messengers) will reboot more often.
• 📱 Switching to “Easy Mode”: In Settings → Special opportunities → Easy mode activate this option. The interface will become simpler, unnecessary widgets will disappear, and the system will spend less resources on rendering.

Another hidden trick is to turn off the mi-account and sync. Go to Settings → Accounts → Mi Account and turn off synchronization of contacts, notes and other data, which will reduce the load on the processor when working in the background.

Disable animation in developer settings | Set background process limit to 2| Activate light mode | Disable Mi Account synchronization |Reboot phone-->

3. Application management: what can be removed or frozen

Even after being reset to factory settings, Redmi 6A contains dozens of pre-installed apps that can’t be removed by standard means, but can be disabled.

To disable the application:

1. Go to Settings → Applications → Application Management.
2. Select an unneeded app (such as Mi Video).
3. Click “Disable” (if the button is inactive – the application is system and cannot be disabled).
4. Confirm the action.

Deep removal of system applications requires root or custom recovery (such as TWRP). However, on Redmi 6A, this is risky - incorrect removal can lead to bootloop ( looped boot).

⚠️ Warning: Don’t turn off Google Play Services completely! This will cause Play Market, Gmail and other Google services to fail. Instead, limit its background activity in the app settings.

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If the phone is faster after the app is turned off, but some features are lost (for example, video playback), install lighter alternatives from F-Droid or APKMirror. For example, Vanilla Music (weighs only 5 MB) will suit instead of Mi Music.

4. firmware update: official MIUI vs custom builds

The official updates to the Redmi 6A stopped in 2021 (the latest version is MIUI 12.5 based on Android 9).

• 🔄 Reverse to the old version MIUI: Some users have noted that MIUI 11 (Android 9) is faster than the speed of the MIUI 12.5. you can download the firmware on xiaomifirmwareupdater.com (choose the version for cactus - coded name Redmi). 6A).
• 🛠️ Castom firmware: Popular variants are LineageOS 16 (Android 9), Havoc-OS (Android 10) or Pixel Experience. MIUI And they're optimized for weak iron. TWRP.
• 📱 Android Go-based firmware: For example, Android 10 Go Edition from KonstaKANG. These builds are specially sharpened for devices with 1-2 GB of RAM and work noticeably shaky than standard ones.

Redmi 6A flashing process:

1. Unlock the bootloader through the official Xiaomi tool (you will need to link a Mi Account).
2. Install TWRP for cactus with fastboot: fastboot flash recovery twrp.img fastboot boot twrp.img
3. In TWRP, make a backup of the current firmware (Backup section).
4. Sweep through custom firmware (Install section) and GApps (if you need Google services).
5. Clear the cache (Wipe) → Dalvik/ART Cache and reboot.

According to user reviews, the Pixel Experience gives a speed increase of 30-40% compared to the stock MIUI, but there may be a problem with the camera (solved by the installation of GCam).

5. Optimization of iron: acceleration, core and battery

The Redmi 6A is built on a MediaTek Helio A22 processor with a clock speed of 2.0 Hz. In theory, it can be overclocked, but in practice it is pointless - performance gains of 5-10%, but overheating and shortening battery life are guaranteed.

• ⚡ Change I/O scheduler: With Kernel Adiutor (requires root), select a cfq or bfq scheduler instead of a standard deadline.
• 🔋 Background Limitation to Save RAM: C Settings → Battery → Select “Battery Savings” to the battery mode, which will turn off background activity of most applications, freeing up to 200-300 MB of RAM.
• 🌡️ Heat control: Install Coolify (requires root) and activate Balance mode. This will prevent trottling (automatically reducing the frequency of the processor when overheating).

If you're willing to sacrifice autonomy for speed, turn off the Mi Power Saver in battery settings, a service that aggressively limits performance when charge drops below 20%.

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On the Redmi 6A, overclocking the processor will not give a noticeable increase, but kernel optimization and switching off background processes can speed up work by 15-25% without risk to iron.

6.Alternative launchers and lightweight applications

The MIUI stock launcher consumes up to 150-200 MB of RAM even in simpler times.

• 🏠 Lawnchair 2: Weighing ~10MB, supports gestures and themes, optimized for weak devices.
• 📱 Nova Launcher: Select “Light Mode” in Settings and Turn Off Animations.
• ⚡ Rootless Launcher: Minimalist launcher with no background processes (ideal for Redmi) 6A).

Also replace the “heavy” applications with lighter versions:

To install lightweight versions, use APKMirror or F-Droid (no ads or trackers). After replacing the applications, check the free memory in Settings → Memory - the difference can be as much as 500-700 MB.

7.Reset to factory settings: when it really helps

If all previous methods have failed, the last chance is a hard reset.

• The phone hangs on the MI logo or is cyclically rebooted.
• Free memory is less than 500 MB, and it can not be released.
• After the MIUI update, critical lags appeared (for example, a delay of input from the keyboard more than 2 seconds).

How to do the reset correctly:

1. Save important data (photos, contacts, SMS) on SD-map.
2. Go to Settings → About the phone → Reset settings.
3. Select “Delete all data” and confirm.
4. After you reboot, don't restore data from the MIUI backup, it'll bring back all the old problems. Install the applications manually.

If the phone is not turned on, reset via Recovery:

1. Turn off the device.
2. Press Power + Volume up before the Mi Recovery logo appears.
3. Select Wipe Data → Wipe All Data (control – volume and power buttons).
4. Confirm the action and wait for the completion.

⚠️ Attention: On Redmi 6A Mi Recovery reset doesn't always work the first time. If the phone hangs on the screensaver after the reset, repeat the procedure or run the firmware through Fastboot.

8.Extreme measures: root, debloate and thermal paste replacement

If you’re willing to take risks, here are 3 radical Redmi 6A acceleration methods:

• 🔓 Getting root rights: Magisk can remove system applications, change kernel settings, and disable unnecessary services. 6A root often breaks the camera and module NFC (If you have it in your modification).
• 🧹 Debloat (removal of system debris): Scripts like Universal Debloater allow you to remove up to 50% of preinstalled applications MIUI. Risk – loss of functionality (for example, topics or gestures will stop working).
• 🌡️ Thermopaste replacement: Over time, the thermopaste between the processor and the radiator dries up, leading to trottling.Apply of a new paste (e.g. Arctic) MX-4) Warning: Disassembling the phone will void the warranty (if it is still valid).

Step-by-step instructions for obtaining root:

1. Unlock the bootloader (see the section on firmware).
2. Install TWRP and swipe Magisk (you can download it on GitHub).
3. Restart and check for root through the Magisk Manager app.
4. Remove unnecessary system applications using Titanium Backup or App Systemizer.

After debloat, be sure to clean the cache (Wipe) → Dalvik/ART Cache in TWRP), Otherwise, the phone will be constantly rebooted.

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Root and debloate are the fastest-growing, but the risks are high, from loss of warranty to firing the phone. On the Redmi 6A, these methods are only justified if other methods have not worked.

FAQ: Frequent questions about Redmi 6A acceleration