How to speed up Xiaomi Redmi 8 Pro: from cleaning cache to firmware

Why Redmi 8 Pro is starting to brake and how to fix it

Xiaomi Redmi 8 Pro (also known as Redmi Note 8 Pro in some regions) was one of the most productive budget devices at the time of release in 2019 thanks to the Mediatek Helio chip. G90T But over time, even these iron monsters start to slow down, apps open for a long time, animations twitch, and friezes appear in games, not only because of the natural aging of the battery, but also because of the accumulation of digital garbage, errors in work. MIUI, and the background processes that eat up resources.

In this article, we will discuss the unique Redmi 8 Pro acceleration methods that take into account the features of its hardware platform and version. MIUI. For example, it is on this chipset that it is critically important to configure correctly. CPU Governor and manage overclocking of the graphics core Mali-G76 MC4, You will also learn how to circumvent Xiaomi’s restrictions on disabling system applications without root rights and why a standard “boost” in settings often harms performance.

1.Diagnostics: What exactly is slowing down your Redmi 8 Pro

Before you start optimizing, you need to identify bottlenecks. On the Redmi 8 Pro, the brakes can manifest in different ways:

• 🔄 Lags when scrolling - a problem with UI Renderer (often due to an overloaded launcher).
• 🎮 Friezes in games - overheating or trolling GPU (particularly PUBG Mobile or Genshin Impact).
• 📱 Long-term application opening – lack of RAM or slow storage of eMMC 5.1.
• 🔋 Slowdown after 30% charge - activated the mode of energy saving against the background of a worn-out battery.

For accurate diagnosis, use:

1. Built-in monitor MIUI: Go to Settings. → The phone. → All characteristics → System status. This is the loading display. CPU, memory.
2. Annex CPU Monitor (from Google Play): shows core frequencies in real time. Cortex-A76 constantly working at lower frequencies (below 1.8 GHz), this is a sign of trottling.

2. Cleaning the system: remove garbage without harm to the MIUI

The main cause of lags is clogged memory. 8 Pro 64/128 GB storage critical to monitor the free space: if there is less 10%, The system starts to brake due to fragmentation of the eMMC. Here's how to clean the phone correctly:

Step 1: Removing the application cache

• 🧹 Go to Settings. → Annexes → Application management.
• 📊 Sort by cache size (slip to three dots in upper right corner).
• 🗑️ Remove the cache from Facebook, Instagram, Google Play Services and MIUI Gallery – they accumulate up to 5-10 GB of garbage.

Step 2: Clean up the system cache

V MIUI There is a hidden function of deep cleaning:

1. Open the Settings → Memory.
2. Slip on Clean at the bottom of the screen, then select Deep Clean.
3. Confirm the removal of Dalvik-cache (this is safe, but the phone will reboot).

Step 3: Removing duplicates and junk files

Use Files by Google or built-in MIUI cleaner:

• 🔍 Get in the cleaner. → Deep cleaning → Duplicate files.
• 📁 Pay special attention to the folders DCIM/.thumbnails Download – here accumulate thumbnails and temporary files.

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If after cleaning the phone still brakes, check the fragmentation of memory: go to Settings → Memory. → Optimize and wait until the process is complete (may take up to 10 minutes).

3. MIUI Optimization: Hidden Settings for Speed

MIUI The Redmi 8 Pro has a lot of hidden features that can be used to speed up, but the main thing is not to overdo it with the "optimizers", which often only harm.

Shutdown of animations

Reducing animation time will speed up the opening of applications:

1. Activate Developer Mode: Settings → About Phone → MIUI version (tap 7 times).
2. Back to Settings → Additionally. → For developers.
3. Find the items: The scale of window animation → Off. Scale of transition animation → Duration of the animator → 0.5x

Background activity shutdown

Many apps continue to work in the background even when they are closed, to limit them:

• 🚫 Go to Settings. → Battery and productivity → Battery management.
• 🔋 Select Optimization and disable background activity for unnecessary apps (e.g. Mi Video, Mi Music, Facebook).
• ⚡ Enable Energy Saving for individual applications (but not for launcher and system services!).

Launcher setup

Standard launcher MIUI It slows down a lot:

• 🏠 Install an alternative launcher (Nova Launcher or Hyperion Launcher).
• 📂 Reduce the number of widgets on the home screen (they are constantly updated in the background).
• 🔄 Disable Open/Close folder animation in Launcher settings.

4.RAM Management: How to Free Yourself RAM

Redmi 8 Pro is equipped with 6-8 GB LPDDR4X memory, but MIUI aggressively backs it up to system processes:

Hand cleaning RAM

• 🔄 Use the built-in cleaner: swipe down on the home screen, tap on the Clean (Broomstick) icon in the upper right corner.
• ⚠️ Don't clean. RAM too often — MIUI optimized for caching of frequently used applications.

Limitation of background processes

In the Developer Settings (see the previous section) find:

• Process limit → Select the maximum 2 process in the background.
• Not to keep up the action → turn on for unnecessary applications.

Use of the "Quick Start" function

MIUI It has a unique App Boost feature that speeds up the launch of frequently used applications:

1. Go to Settings. → Annexes → Quick launch.
2. Add up to 10 apps you want to speed up (like WhatsApp, Chrome, Camera).
3. 🔋 Enable the Optimization option at startup.

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Do not add games or heavy apps (such as Photoshop) to Quick Launch – this will only increase the load on your computer. RAM.

5.Firmware and core: radical acceleration methods

If software methods haven't worked, consider alternative firmware or cores. Redmi 8 Pro (codenamed begonia) has a few proven options:

Official updates to MIUI

Before experimenting, check if a new version has been released. MIUI:

• 🔄 Go to Settings. → The phone. → Updating the system.
• 📥 If an update is available, install it. Xiaomi often optimizes firmware for older models.

Custom firmware

The Redmi 8 Pro is popular with:

How to sew a custom firmware

1. 🔓 Unlock the bootloader via Mi Unlock Tool (requires Xiaomi account and wait 7 days).
2. 📥 Download the firmware from the official website (for example, xiaomi.eu for Xiaomi.EU).
3. 🛠️ Set it through TWRP Recovery (instructions for begonia are available on the 4PDA).

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Before the firmware, make a backup through TWRP (Backup section. It's especially important to save the folder. EFS, stored IMEI and modem data.

⚠️ Note: Custom core firmware (e.g. KernelSU or FrancoKernel) can overheat Helio G90T. Before installing, check reviews on thematic forums - some cores conflict with the Mali-G76 and evoke artifacts in games.

6. Optimization for Games: Overclocking GPU cooling

The Redmi 8 Pro was marketed as a gaming smartphone, but its performance in games declines over time.

Setting up graphics in games

In most games (such as Call of Duty Mobile or Free Fire):

• 🎮 Set the chart to Average and Frequency on High (not vice versa!).
• ❄️ Turn off the shadows and effects of particles – they are loading hard Mali-G76.
• 🔋 Enable Performance Mode in Game Settings.

Use of Game Turbo

MIUI It has a built-in gaming accelerator:

1. Open the Settings. → Game Turbo.
2. Add the game to the list and activate: Performance Mode Block notifications Network Optimization (reduces ping)

Phone cooling

Helio G90T He's prone to overheating, which causes trottling, to avoid falling. FPS:

• 🧊 Use a cooling case or stand with a fan.
• 🔋 Do not play when charging – this increases the heat by 10-15°C.
• 📉 Close all background applications before launching the game.

⚠️ Note: Do not use overclocking apps GPU (for example, GPU On the Redmi 8 Pro, this often leads to graphical glitches due to limitations. Mali-G76 MC4. Instead, turn on the built-in GPU Boost in Settings → Display. → Advanced settings → Graphics.

7. Battery and performance: how battery wear affects speed

Over time, the Redmi 8 Pro battery (with a capacity of 4500 mAh) degrades, and the phone begins to artificially limit performance.

Checking battery status

• 🔋 Install AccuBattery from Google Play.
• 📊 Look at battery health. If it's below 80 percent, it's time to think about replacing it.
• 🔄 B Settings → Battery → Battery status check charging cycles. If it's over 500, the capacity has dropped markedly.

Disconnection of the energy saving mode

If the phone began to brake after the update, it may have turned on hidden saving mode:

1. Go to Settings → Battery and Performance → Battery Modes.
2. Choose Balanced or Performance.
3. Turn off the Adaptive Battery (it limits the background processes).

Battery replacement

If the capacity drops below 3,500mAh, the only way out is to replace it.

• 🔧 The original battery has an articular MBJ405030 (capacity of 4500 mAh, voltage 3.85V).
• 💰 Replacement cost at the service center: 1500-2500 ₽ (Self-replacement is not recommended due to the risk of damaging plumes).

8. Radical methods: reset, root and not only

If nothing works, then radical measures remain: they require technical skills, but they maximize productivity.

Hard Reset (Hard Reset)

Return the phone to factory settings by removing all the garbage:

1. 🔄 Go to Settings. → The phone. → Resetting settings.
2. 🗑️ Choose to erase all data.
3. ⚠️ Pre-backup via Mi Cloud or Google Drive.

Getting root rights

Root gives you full control of the system, but it's not guaranteed.

• 🔓 Use Magisk (instructions for the XDA Developers).
• ⚡ After you get root, install: Greenify for hibernation of unnecessary applications. Kernel Adiutor for fine-tuning the kernel. SD Maid – for deep cleaning of system files.

Shutdown MIUI Optimizations

MIUI It has hidden optimizations that sometimes slow down the system to shut them down:

adb shell settings put global miui_optimization_disabled 1

This command disables Forced Optimization, but can cause bugs with theme and animations.

⚠️ Attention: On Redmi 8 Pro with newer firmware MIUI 12.5 shutdown miui_optimization This can cause font display problems in some applications.Before executing a command, make a backup through TWRP.

FAQ: Frequent questions about Redmi acceleration 8 Pro