How to Improve Xiaomi Phone: From Basic Optimization to Deep Customization

Xiaomi smartphones based on MIUI They're known for their price-performance ratio, but even flagship models start to slow down over time, for reasons ranging from overloaded firmware to incorrect system settings. This article isn’t about trivial tips like “clean up the cache” – it’s a collection of practical methods that really work, including hidden features. MIUI, Iron optimization and even modifications for advanced users.

We will discuss how to improve Xiaomi at the software level (without root rights and with them), hardware capabilities (unlocking). FPS, We'll also give you checklists for different scenarios, from "phones are laying after upgrades" to "how to make the most of the old model." All instructions are tested on current versions. MIUI 14/15 and adapted for models from Redmi Note 10 Xiaomi 14 Ultra.

Important: Some of the methods require unlocking the bootloader or installing custom firmware. If you're a beginner, start with the "safe" partitions (1-4), and for experimenting with the system, study the risks beforehand.

1. Optimization MIUI: Disable unnecessary functions and speed up the interface

Firmware MIUI It's overloaded with background processes, animations and "chips" that eat up resources, and the first thing you need to do is turn off visual debris and reduce the load on the processor.

Start by simplifying animations:

• 📱 Go to Settings. → Special facilities → Delete animations and turn on the option, which will speed up the transitions between applications by 20-30%.
• 🔄 B Settings → Display. → Select 90 Hz instead of 120 Hz if you don’t play dynamic games, saving up to 15% of your charge.
• 🌙 Activate the Dark Theme in Settings → Display: It reduces the load on GPU reduces the battery consumption by AMOLED-screen.

Next – cleaning of background processes:

• 🚫 B Settings → Annexes → Application management → Autorun disable autorun for all programs except instant messengers and system services.
• 🔄 B Settings → Battery. → Select Balanced (for savings) or Performance (for games).
• 🗑️ Use the built-in Optimizer (Settings) → The phone. → Optimization, but no more than 1 time per week – frequent cache cleaning can slow down your work.

⚠️ Note: Do not manually disable system processes through Settings → All applications! This could cause malfunctions. MIUI, including missing notifications or camera errors, except for pre-installed apps (bloatware), which can be removed via ADB.

2 Unlocking Hidden Opportunities: FPS, GPU processor

Even on budget Xiaomi you can accelerate performance by activating hidden settings, the main thing is not to overdo it, so as not to reduce the life of the iron.

Unlocking FPS in games (works on Snapdragon and MediaTek) Helio/Dimensity):

1. Activate Developer Mode: Settings → About Phone → MIUI version (tap 7 times).
2. Back to Settings → Additionally. → For developers and include GPU-debugging → Disable processing VSYNC.
3. Install the Game Turbo app (built into the MIUI) In the game settings, select High Performance. + Permission. 90/120 FPS.

Optimizing the processor (requires caution!):

• 🔧 In For Developers, find Background Process Limitation and set a Maximum 2 process.
• 🔥 Enable Forced Use GPU-rendering (can increase battery consumption!).
• ⚡ For Snapdragon models: Use Performance Control to overclock cores or install a Balanced profile.

⚠️ Note: Overclocking a Xiaomi processor with MediaTek (e.g. Redmi Note 12) is often blocked by the manufacturer. Attempts to bypass the restrictions through the engineering menu (#4636###) can lead to hard brick (irreparable damage).

Disable automatic MIUI update

Check the temperature of the processor (appendix) CPU Monitor)

Create a backup through Mi Cloud

Install a thermal paste (for older models)-->

3. Cleaning up the system: remove bloatware and optimize memory

Xiaomi is known for pre-installed apps (bloatware) that can't be removed by standard methods. They take up space, consume battery and can spy on the user. Here's how to get rid of them.

Method 1: Removal through ADB (rusty)

1. Install Android SDK Platform Tools on your PC.
2. Connect the phone in Debugging mode USB (It is included in the Developers).
3. Open the command line in the adb folder and type in: adb devices (your device should appear).
4. To remove an application (e.g. Mi Browser): adb shell pm uninstall --user 0 com.android.browser

List of safe packets to remove (checked on MIUI 14/15):

• 🌐 com.android.browser — Mi Browser
• 📺 com.miui.videoplayer — Mi Video
• 🎵 com.miui.player — Mi Music
• 📖 com.xiaomi.scanner — Mi Scanner
• 🛒 com.xiaomi.shop — Mi Shop

Method 2: Freeze through Shizuku + App Manager (for non-rooted devices):

1. Install Shizuku and App Manager.
2. In Shizuku, select the connection method ADB or wireless.
3. In App Manager, find an unnecessary application → Shut down or Freeze.

⚠️ Warning: Do not remove system applications with the names com.qualcomm..., com.mediatek... or com.android.system! this can lead to loss of network, camera or Wi-Fi. Before mass removal, check each packet on the forums. XDA Developers.

4. Battery Optimization: How to Prolong Battery Life

Xiaomi batteries often lose capacity after a year of use, for reasons like fast charging, overheating, and poor energy saving settings, and this is how to slow down degradation.

Charging settings:

• ⚡ Turn off Fast Charging in Settings → Battery. → Charging settings, if you're not in a hurry. 5W Increases battery life by 20%.
• 🔋 Enable Optimized Charging (ibid.) – the phone will charge up to 80% and wait for the network connection for full charging.
• 🌡️ Avoid charging at temperatures below 10°C or higher than 35°C. Use heat sink covers for games.

Battery calibration (if the phone suddenly turns off at 20-30%):

1. Discharge the phone before automatically shutting down.
2. Charge up to 100% without powering on (use the original power supply).
3. After full charging, keep the phone charging for another 2 hours.
4. Repeat the cycle 2-3 times.

Checking battery status:

• Type in the dialer: ##4636## Go to Battery Information and check the Wear Level. If the value is above 20%, consider replacing the battery.
• For detailed diagnosis, use AccuBattery (showing real capacity and discharging speed).

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If the phone doesn’t hold charge even after calibration, try resetting Settings. → System system → Resetting settings → Resetting battery settings, which will remove consumption statistics and can restore the power controller to work properly.

5. Firmware Update: How to Choose a Version MIUI and avoid bugs

Xiaomi releases updates regularly, but not all are stable.New version MIUI It can bring both improvements and critical bugs (such as camera or discharge issues.

Types of firmware for Xiaomi:

• 📱 A stable global (MIUI Global: the most reliable, but with delayed updates.

How to update without losing data:

1. Make a backup through Settings → The phone. → Backup.
2. Download the firmware from the official Xiaomi website (choose your model!).
3. To Update with Recovery: Rename the file to update.zip Place it in the root of memory Go to Settings → The phone. → Updating the system → Three points. → Select a firmware file

What to do if the phone is updated:

• 🔄 Reset the cache: turn off the phone, pinch the power + Volume up, select Wipe Cache.
• 🗑️ Delete the Application Data Settings → Annexes → All applications → Settings (yes, this is a system application!).
• 📉 Reverse to the previous version via Fastboot (instructions for the XDA).

⚠️ Note: Do not install firmware for other regions (e.g. India) ROM This could lead to a lockdown. IMEI Check compatibility with the model code (Redmi Note 11 Pro) 5G = "veux").

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If the root rights have been lost after the update or TWRP, You have to rebuild them. Use OrangeFox to save custom Recovery when you're firmware.

6. Hardware improvements: thermal paste, battery and display

If software optimization doesn’t work, it’s time to look under the hood. Many of Xiaomi’s problems (overheating, fast discharge, dim screen) are solved by physical intervention.

Replacement of thermopaste (relevant to Snapdragon) 8xx Dimensity):

• 🔧 Symptoms: The phone warms to 50°C in games, trottling (fall) FPS).
• 🛠️ What to do: Disassemble the phone, clean the old paste with alcohol, apply a new one (Arctic) MX-6 Or the Thermal Grizzly Kryonaut).
• ⚠️ Risks: damage to plumes (especially on Xiaomi) 12/13 fragile-structured).

Battery replacement:

• 🔋 If capacity has dropped below 70%, replace the battery. Xiaomi's original batteries last 2-3 years.
• 💰 Cost: 1500-3000 ₽ (original) vs 800-1500 ₽ (The original is different from the charging controller.
• 🔧 To replace you need a suction cup, plastic mediator and hair dryer (to soften the glue).

Improvement of the display:

• 🎨 For AMOLED-Screens: Calibrate the colors through Settings → Display. → Color scheme (select Saturated or sRGB).
• 🔍 If the screen is dim, check Adaptive Brightness settings and turn off Vision Protection at night.
• 🛡️ To protect against scratches, use tempered glass with oleophobic coating (for example, Spigen Tempered Glass).

7.Castom firmware: when to switch to AOSP

If it's standard MIUI You are not satisfied, the alternative is custom firmware based on Android Open Source Project (AOSP). They are devoid of Bloatware, offer pure Android and are often better optimized.

The advantages of custom firmware:

• ✅ No advertising and unnecessary applications.
• ✅ Longer maintenance of updates (even for older models).
• ✅ Possibility of fine tuning (cores, governors, sound).

Cons:

• ❌ Loss of warranty (requires unlocking the bootloader).
• ❌ There may be a camera bug or NFC (firmware-dependent).
• ❌ No official updates by air (you will have to update manually).

Top.-3 firmware for Xiaomi in 2026 year:

How to install custom firmware:

1. Unlock the bootloader through the official Xiaomi tool (you need a Mi Account and wait 7 days).
2. Install. TWRP OrangeFox Recovery is available via fastboot: fastboot flash recovery. twrp.img fastboot boot twrp.img
3. Make a backup of the current firmware in TWRP (Backup section).
4. Sweep through firmware and GApps (if you need Google services).

⚠️ Note: On some models (Xiaomi) 12S Ultra, Redmi K50 Gaming) unlocking the bootloader leads to blocking the broadband 5G (Check compatibility on the forum before unlocking 4PDA.

8. Backup and Reset: When Nothing Helps

If the phone is getting unbearably slow and all the methods have been tried, the last chance is a complete reset, but before that, you have to save the data.

What must be kept:

• 📱 Contact and SMS: Export through Settings → Google → Backup.
• 📷 Photos and videos: copy to PC or Google Photos (original quality!).
• 🔑 Passwords and Tokens: Use Bitwarden or KeePassDX to Export.
• 🎮 Save Games: Enable sync in Google Play Games or copy the folder /Android/obb.

How to reset:

1. Go to Settings → About Phone → Resetting → Delete all data.
2. Choose Clear Everything (including internal memory if your phone is heavily infected with viruses).
3. After reset, do not restore data from the backup MIUI — It can contain garbage. You'd better move the files manually.

What to do after the discharge:

• 🔄 Don’t install all apps at once – add 5-10 a day to track which lags are causing the lags.
• 🛡️ Turn off automatic app updates in the Play Market.
• 📊 Install Greenify to hibernate unnecessary apps.

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If you have problems after reset, the reason is hardware (for example, worn flash memory), in which case only the replacement of the memory module or the purchase of a new phone will help.

FAQ: Frequent questions about improving Xiaomi