Xiaomi Redmi 8A Brake and Lag: A Complete Guide to Accelerating

Xiaomi Redmi 8A

Causes of brakes

Many users mistakenly believe that brakes are the norm for budget devices. 8A modestly 2/32 GB memory can be optimized so that it runs smoothly in the 2026 The key is to understand where the bottleneck is: overloaded memory, background processes, outdated firmware or a worn-out battery, and we tested all the methods on a real device and only selected those that have a noticeable effect.

If you have a Xiaomi Redmi 8A It stopped after the update. MIUI, You can install new apps or physical damage, you can do different things, so don't rush to reset your settings or bring your phone to the service, because 80 percent of the time, you can solve the problem yourself in 10 to 30 minutes. Let’s start with the most innocuous ways and gradually move on to more serious measures.

1.Diagnosis: Why your Redmi 8A is slowing down

Before you start "treatment", you need to understand the source of the problem, brakes can occur due to:

• 📱 Lack of RAM (RAM): Redmi 8A It has only 2 GB of RAM and if the system + applications take more, the phone begins to “reset” background processes, which causes hanging.
• 🗃️ Completed storage: with a clogged memory of 90%+ Android is starting to work in emergency mode.
• 🔄 Failures in firmware: errors MIUI after updating or incorrect installation of updates.
• 🔋 Worn-out battery: When the battery is below 15%, the processor automatically reduces performance.
• 🛠️ Hardware malfunctions: overheating, contact oxidation or damage to the motherboard.

To determine the cause, perform a quick diagnosis:

1. Open the Settings. → The phone. → System status and check RAM and storage load.
2. Run Settings. → Battery → Battery usage and see which apps use the most power (this is often correlated with brakes).
3. Install the app CPU Monitor (from Google Play) and check if the CPU frequency drops below 1.4 GHz for no reason.

Critical indicators that require immediate action:

• 🚨 Free memory less than 1 GB (from 32 GB).
• 🚨 RAM loaded to 90%+ at rest (without running applications).
• 🚨 The processor operates at a frequency below 1 GHz at a charge above 50%.

⚠️ Warning: If the phone brakes only when charging, the problem could be a faulty power supply or cable.Redmi 8A Sensitive to voltage – use the original adapter on the 10W (5V/2A).

2. Memory cleanup: freeing up space for speed

The most common reason for brakes is clogged storage. When less than 10% of the available space is left, Android starts to "glut": apps slowly open, photos are not saved, and the system produces errors. 8A With its 32GB of memory, it's particularly critical.

How to make the right place:

• 🧹 Remove the app cache: go to Settings → Annexes → All apps, select the “heavy” one (such as Facebook or TikTok) and click Clear Cache.
• 📸 Move your photos/video to the cloud: use Google Photos (up to 15GB free) or Mi Cloud (5GB for Xiaomi accounts).
• 🎮 Remove Unused Games: One Game Type PUBG Mobile or Genshin Impact can take up to 2-4 GB.
• 🔍 Find and Delete Duplicates: Apps like Files by Google or CCleaner can help you find duplicate files.

Hidden Memory Eaters on Redmi 8A:

If there is still not enough space after cleaning the free space, consider expanding the memory:

• 💾 Buy a class microSD card A1 or A2 (from 32 GB) and transfer applications to it through Settings → Memory. → Default storage.
• ☁️ Connect. USB-storage OTG-Adapter (supported by Redmi) 8A).

3. MIUI Optimization: Disabling Unnecessary Functions

Firmware MIUI on the Redmi 8A It contains a lot of background processes that eat up resources, and many of them can be painlessly turned off without losing functionality.

Top.-5 speed-up:

1. Turn off interface animation: Activate Developer Mode (7 times click on Version) MIUI In Settings → About the phone. Go to Settings. → Additionally. → For developers and set: The scale of the animation window → Off. Scale of transition animation → Duration of the animator → Off.
2. Limit background activity: In Settings → Battery → Battery mode select Charge Saving (limits background processes). For individual applications: Settings → Annexes → Permits → Autostart and disable unnecessary.

Turn off the “Smart Help” (Security)

• Go to Settings. → Memory. → Cleaning and deactivating Auto Cleanup.
• B Settings → Additionally. → Security Disable Virus Scanner (if you use a third-party antivirus).

Hidden functions MIUI, clamp down:

• 📡 Dual apps (duplicates of messengers) - take up RAM and memory. Delete through Settings → Annexes → Dual annexes.
• 🎵 Mi-music and Mi-video -- they work in the background even if you don't use them.
• 📊 Analytics MIUI: Send data to Xiaomi. Turn it off in Settings. → Additionally. → Confidentiality → Diagnostics.

⚠️ Please note: Do not disable the service com.miui.systemAdSolution via ADB — This could cause Google Play and Mi Account to crash.

If after optimizing the brakes are left, try resetting the settings. MIUI data-free:

1. Go to Settings → About the phone → Reset settings.
2. Select Settings Reset. MIUI (Does not affect files and applications).
3. After restarting, reset the system (disable unnecessary functions).

💡

After the update MIUI You're slowing down, try to retrace the previous version through Fastboot. 4PDA (redmi 8A).

4. Application Management: What Can Be Removed Without Consequences

Many Redmi users 8A They install dozens of apps without even knowing that some of them are actively slowing down the system, for example, Facebook and Instagram consume up to 300-500 MB of RAM in the background, and TikTok can “hang” the phone due to aggressive optimization for weak devices.

List of apps that should be removed or frozen:

How to properly remove system applications:

• 🔧 For regular applications: Settings → Annexes → Delete.
• ⚙️ For system (e.g. Mi Browser): required ADB Commands: adb shell pm uninstall --user 0 com.android.browser adb shell pm uninstall --user 0 com.miui.videoplayer
• ❄️ For freezing (without removal) use the App Quarantine or Ice Box (does not require root).

If you do not want to mess with removal, at least limit background activity:

1. Open Settings → Battery → Battery Use.
2. Select an app (such as WhatsApp) and set to Limit Background Activity.
3. For games, use Performance Mode in Settings → Special facilities → Game mode.

⚠️ Note: Do not remove system applications with the names com.android. or com.miui. – this can lead to bootloop (a looped download).

💡

Removing even 3-5 “heavy” apps can free up to 1-1.5 GB of RAM and speed up the phone by 20-30%.

5. Settings reset: when it really helps

If all previous methods have failed, it's time to consider hard reset, a radical way to bring the phone back to factory status but delete all data. 8A relief:

• 🐌 System Lags after Update MIUI.
• 🔄 Cycle reboot (bootloop).
• 📱 Interface hang-ups that are not related to memory or applications.

How to do the reset correctly:

1. Save important data: Copy photos/video to your PC or cloud. Export contacts through Google Account. Save SMS assisted SMS Backup & Restore.
2. Perform reset: Go to Settings → The phone. → Reset. Select Delete all data (reset). Confirm the action (you need to enter a pattern lock or PIN).

Set up the phone again

• When you first turn on, select Settings as a new device (do not restore from backup!).
• Install only the necessary applications.

What to do if the reset does not help:

• 🔄 Try flashing your phone again via Fastboot (instructions for the phone) 4PDA).
• 🛠️ Check your phone for hardware malfunctions (see next section).

⚠️ Warning: If the phone does not turn on or hangs on the logo after reset MI, So the problem is the damaged firmware or memory (eMMC), and then only flashing through the flashing machine will help. EDL-Mode (requires an authorized Xiaomi account).

6. Hardware causes: when the "iron" is to blame

If software methods didn't help, the problem could lie in the hardware. - Xiaomi Redmi 8A — It is a reliable device, but it has “weak points»:

Checklist of hardware malfunctions:

• 🔋 Worn-out battery: When the battery is below 20%, the processor will trottlate (reduces performance). Check the wear through the AccuBattery app (if the capacity has fallen below 70%, it is time to change the device).
• 🔥 Overheating of the processor: Normal temperature of Redmi 8A under load - up to 50-55°C. If the phone is heated above 60°C in plain, check the thermal paste (in the service).
• 💾 Memory problems (eMMC): Symptoms: phone "stutters" when reading/writing files, apps fly out. check memory health through ADB: adb shell dumpsys devicestoragemonitor
• 📶 Faulty communication module: If the brakes occur when calling or using the mobile Internet, the problem may be in the antenna or modem.

Independent diagnosis of "iron":

1. Battery test: Install AccuBattery and check battery health. If the capacity is below 2000 mAh (originally 5000 mAh), the battery must be replaced.
2. Processor test: Use CPU Throttling Test (from Google Play) to check trottling.If the frequency drops below 1 GHz without a load - a problem in cooling or power.

Memory test

• Launch it. A1 SD Bench and check the read/write speed.
• Normal for Redmi. 8A: reading – 150–200 MB/s, recording – 50–80 MB/s.

If you have detected a hardware malfunction, but are not ready to carry the phone to the service, you can try temporary measures:

• 🔋 For a worn-out battery: Use your phone only on charging (but don’t play games – this will accelerate degradation).
• 🔥 For overheating: lower the screen resolution to 720p In Settings → Display and turn off Adaptive Brightness.
• 💾 For memory problems: Do not install heavy applications (such as weight games) > 500MB).

⚠️ If after replacing the battery, the phone began to brake even more, check the contacts of the battery plume - they could oxidize or damage during disassembly.

7. Alternative firmware: whether to switch to caste

If standard methods don’t work, some users are considering installing custom firmware (like LineageOS or Pixel Experience) that can give you performance gains, but there are risks.

Pros and cons of custom firmware for Redmi 8A:

How to Switch Custom Firmware (briefly):

1. Unlock Bootloader through the official Xiaomi website.
2. Install. TWRP Recovery (Redmi version) 8A — twrp-3.7.0_9-0-olivelite).
3. Download firmware (e.g. LineageOS 18.1 for olivelite) and GApps (minimum pico package).
4. Flow through TWRP (Instruction: Wipe → Format Data → Install ZIP).

Recommended Firmware for Redmi 8A (2026):

• 📱 LineageOS 18.1 (Android 11) is the most stable.
• 📱 Pixel Experience (Android 12) – with Google Pixel chips.
• 📱 HaventOS (Android 13) – for experiments (may be unstable).

⚠️ Attention: On Redmi 8A The official firmware is not working. MIUI 14+ — Xiaomi has stopped supporting.The latest stable versions: MIUI 12.5 (Android 10) or MIUI 13 (Android 11, unofficial ports).

💡

Castom firmware can extend the life of Redmi 8A 1-2 years, but require technical skills. If you're a beginner, it's best to focus on optimizing the standard. MIUI.

8 If nothing helps: when is the time to change the phone?

Unfortunately, even the most radical measures will not be able to sustain Redmi’s performance forever. 8A. If you’ve tried all the methods in this article, but your phone is still slowing down, it may be time to consider replacing it.

Indications that Redmi 8A change:

• 💾 Applications fly out when opened (even Settings or Phone).

Redmi budget alternatives 8A 2026:

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