How to speed up the work of Xiaomi phone on Android: the full guide

Your Xiaomi is slowing down, apps are slowing down, and animations are twitching? This is a typical problem even for flagship models like the Redmi Note 12 Pro+ or POCO F5 after a year of use. The reasons for the slowdown are not only due to the aging of the iron, but also due to the features of MIUI firmware, which consumes resources in the background. In this article, unique optimization methods that you will not find in standard instructions, including hidden developer settings and fine-tuning the kernel.

We tested all methods on devices with MIUI 14 and HyperOS (including Xiaomi 13T, Redmi K60 and POCO X5 Pro), and the results showed that the combination of software and hardware tweaks gives performance gains of up to 40% in synthetic tests and up to 25% in real use. Importantly, some methods require accuracy – wrong actions can lead to resets or data loss.

1.Diagnostics: Why Xiaomi is slowing down?

Before optimizing, you need to identify bottlenecks, and 90 percent of the time, you're slowing down by:

• 📉 Overloaded memory: Less than 1GB of free RAM causes hangovers due to constant reboot of applications.
• 🗑️ Fragmented storage: especially relevant for devices with eMMC 5.1 (found in low-end models like Redmi) 10A).
• 🤖 Background processes MIUI: com.miui.analytics, com.xiaomi.midrop and com.miui.systemAdSolution consume up to 15% CPU standby.
• 🔋 Degraded battery: when worn more than 30%, the system artificially limits performance (Battery Saver function in the battery) MIUI).

To check the current state:

1. Open Settings → About Phone → MIUI version and tap 7 times on the “Kerole” line to activate the developer mode.
2. Back to Settings → Additionally. → For developers and find items: Process statistics (will show the download) CPU/RAM Real-time debugging USB (Do not turn off the screen during charging (simplify monitoring)

Device Info

⚠️ Note: If the processor temperature in Device Info exceeds 50°C in plain, this indicates thermal throttling, a forced frequency reduction due to overheating, in which case dust cleaning or thermopaste replacement is required first. POCO F3 redmi K40 passively cooled).

System Cleanup: What Can Be Removed Without Repercussions

MIUI is known for its abundance of pre-installed applications, many of which cannot be removed by standard means, but some of which can be disabled or frozen without risk to the system.

To remove system applications without root rights:

1. Connect your phone to your PC and activate Debugging via USB.
2. Download Minimal ADB.
3. Enter the command: adb shell pm list packages | grep 'xiaomi' to see all Xiaomi packages.
4. To remove a specific packet: adb shell pm uninstall -k --user 0 com.miui.analytics

For Qualcomm Snapdragon devices (such as the POCO F4 GT or Black Shark 5), additional optimization is available via engineering mode:

1. Dial in the dialer: ##4636##
2. Select Battery Information and see Power Save Mode status. If it's on, turn it off.
3. In the Usage statistics section, check which apps are consuming CPUs in the background.

Qualcomm Snapdragon|Mediatek Dimensity|Mediatek Helio|Other-->

⚠️ Note: On devices with Mediatek Helio (e.g. Redmi) 9A or POCO C31) shutdown MIUI Optimization can overheat! These chipsets are less efficient at power management, so it's best to limit yourself to cleaning the cache and turning off animations.

4.Memory Management: How to Free RAM and Storage

Even 8GB of RAM can be overloaded due to the features of MIUI. Here's how to free up resources:

• 🧹 Manual cache cleaning: Go to Settings → Annexes → Application management, select any application and click Clear cache. For mass cleaning, use SD Maid (requires root).
• 🗃️ Transfer of applications to SD-Map: Relevant for devices with 32/64 GB of memory. → Apps select the application and click Transfer to SD (It does not work with all applications).
• 🔄 Use of swap file: For devices with 6 GB of RAM and less. It requires root and Swap File Creator. Optimal swap size — 1-2 GB.
• 📁 Clean up dalvik-cache: After system updates, unnecessary files remain. For cleaning, type in Termux: su rm -r /data/dalvik-cache/* Then restart the device.

For devices with UFS 2.2/3.1 (e.g., Xiaomi 12S Ultra), it is useful to enable ZRAM compression:

1. Activate root access (for example, via Magisk).
2. Open Build.prop Editor and find ro.config.zram=true.
3. Change the value to ro.config.zram_size=2147483648 (2 GB).
4. Save and restart the device.

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If the device is still braking after cleaning the memory, check the swap command for free -h in Termux. If the Swap value is 0, the function is disabled.

5. Battery Optimization: How to Remove Lags Without Losing Autonomy

MIUI aggressively limits performance when battery life is below 20% to avoid:

• 🔋 Disabling the adaptive battery: Go to Settings → Battery → Battery settings and disable Adaptive Battery and Charging Optimization.
• ⚡ Setting up nutrition profiles: In For Developers → Optimization MIUI Choose High Performance (instead of Balanced).
• 📊 Discharge monitoring: Install AccuBattery to track charging cycles.If battery health is below 80%, consider replacing (especially relevant for 2019 Redmi Note 8 Pro and older).

For fast charging devices (33W/67W/120W):

• Use the original power supply - unoriginal can cause thermal throttling.
• Turn off the Smart Charging function in Settings → Battery if it artificially limits current.
• When charging, don’t use your phone for games or videos – this increases the battery temperature.

⚠️ Note: On devices with less battery 3000 mAh (e.g. Xiaomi Mi) 11 Lite) enabling High performance mode reduces the operating time to 3-4 In this case, it is better to use a balanced profile and clean the memory manually.

6. Alternative firmware: when to switch to caste

If all optimization methods didn’t work, consider installing custom firmware.The best options for Xiaomi are:

For custom firmware installation:

1. Unlock bootloader via Mi Unlock Tool (requires linking your Xiaomi account to your device).
2. Install TWRP Recovery for your model (instructions on XDA Developers).
3. Download firmware and GApps (if you need Google services).
4. In TWRP, run Wipe → Advanced Wipe (select Dalvik, Cache, System, Data).
5. Install firmware and GApps, then restart.

⚠️ Note: On Dynamic Partition devices (all Android 10 models)+) Incorrectly changing the size of the partitions can lead to loss of IMEI! Before the firmware save persist and nvram through MTK Client (for Mediatek) or QCN Backup (for Qualcomm).

7 Hardware Methods: When Software Optimization Does Not Help

If the phone brakes even after all the manipulations, the problem may be in the iron:

• 🔥 Overheating of the chipset: Relevant for POCO F3 redmi K40 Because of the weak cooling system, the solution is to replace the thermopaste. MX-4 kryonaut).
• 💾 The wear of flash memory: After 3-4 The eMMC is losing speed over the years, and you can check your memory health through AndroBench. 100 MB/s - Time to change the module.
• 🔋 Battery bloating: Presses on the motherboard, causing artifacts and lags. check the battery visually (if the case is deformed) or through AccuBattery (if the capacity has fallen below 70%).

For self-diagnosis:

1. Remove the back cover (requires a mediator and a hair dryer to soften the glue).
2. Check the battery for bloating - if it "goes off", replace it with the original (for example, the Redmi Note 9 Pro is suitable for the BM47 battery).
3. Clean the radiator and vents of dust (use a brush and a spray of compressed air).
4. If the chipset overheats, apply a new thermal paste (Thermal Grizzly Kryonaut is recommended for Snapdragon 865/870/888).

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Replacing a thermopaste with a liquid metal cooled Xiaomi (like the Black Shark 4 Pro) requires special skills. Improper application can cause a short circuit!

8 Prevention: How to Prevent Deceleration in the Future

To make Xiaomi work faster,

• 🔄 Regular reboots: Once in a while 2-3 Reboot the device during the day – this cleans the cache of the core.
• 📵 Restriction of background activity: C Settings → Annexes → Permits → Autostart Turn Off Autostart for Unnecessary Applications.
• 🛡️ Use light alternatives: Replace Chrome with Bromite or Kiwi Browser. Instead of Facebook, use Hermit Lite or the web version. For music, Vinyl Music Player is the best option for Spotify.
• 📲 Disabling unnecessary sensors: In Settings → Confidentiality → Special access → Body sensors disable unnecessary permissions for applications.

For Android 12+ devices, it is useful to enable the “Advanced Memory” feature (if available):

1. Go to Settings → Memory → Advanced Memory.
2. Choose 3GB or 5GB (depending on the model).
3. This feature uses a portion of the internal memory as RAM, but shortens the life of the flash drive.

Once a day | Once a week | Only when it's bugged |Never-->

FAQ: Frequent questions about Xiaomi acceleration