How to really save battery power on Xiaomi: proven methods for MIUI 14/15

Why is Xiaomi’s battery running out so fast?

Xiaomi smartphones are some of the most popular in the world, but owners often face the problem of fast battery discharge.+ POCO F6 They can lose up to 20 percent of their charge per night in standby mode, and it's not just because of the battery capacity, but because of the firmware. MIUI, background processes and hardware "chips" of the manufacturer.

In this article, we will discuss 15 Proven ways to save charge – from basic settings to hidden functions MIUI, It's important to understand that there is no universal solution. The effectiveness of methods depends on the model (Redmi, Mi, Poco), the firmware version (MIUI 14/15) For example, gamers on Black Shark need some optimizations, and office workers need Mi. 11 Lite is very different.

Before you start settings, check the status of the battery:

• 🔋 Go to Settings. → Battery → Battery status (available on the MIUI 14+). If the capacity fell below 80%, no optimizations will help – you need to replace the battery.
• 📊 Use the AccuBattery (Play Market) app to analyze charging cycles. It will show real wear and recommended charge levels (e.g., don’t keep it constantly at 100%).

1. MIUI Optimization: Hidden Energy Saving Settings

Firmware MIUI It contains dozens of hidden parameters that affect charge flow, many of which are disabled by default to ensure smooth operation, but at the cost of autonomy:

🔹 Extremely low consumption (available on the MIUI 14+):

• 📱 Go to Settings. → Battery → Energy saving regime → Ultra-low consumption.
• ⚡ Turn it on and select apps that can run in the background (maximum) 3-5).
• 📉 This mode disables background synchronization, limits performance CPU Reduces the screen refresh rate to 60 Hz.

⚠️ Note: In ultra-low mode, push notifications from instant messengers (Telegram, WhatsApp) and email will not come, and use it only in critical situations when you need to “pull” to charge.

🔹 Limitation of background activity:

• 🛠️ Go to Settings. → Annexes → Application management → Auto-start.
• 🚫 Disable AutoRun for all applications except system and instant messengers.
• 🔄 In the same menu, go to the Background Activity tab and set a limit for unnecessary apps.

2. Hardware tricks: how to "cheat" the power controller

On Xiaomi smartphones with Qualcomm processors (Snapdragon) 4/6/7/8 series) you can manually limit the maximum clock frequency of the cores, which gives up to 25% It saves power without a critical loss of performance. This method requires unlocking the bootloader and root rights, but the result is worth the effort.

🔹 Limitation CPU through the kernel (for advanced users):

• 🔧 Install Kernel Adiutor (root required).
• 📊 Go to section. CPU → Max. frequency and reduce the values for large cores by 20-30%. For example, for Snapdragon 8 Gen 2 (Xiaomi 13 Ultra, reduce with 3.2 GHz 2.8 GHz.
• 🔄 Save the profile and restart the device.

⚠️ Note: Do not lower the frequency below 1.5 GHz for large cores – this will lead to lags when opening applications and playing video.

🔹 Disabling unnecessary kernels:

• 🛠️ The Kernel Adiutor is also in the same place. CPU → Active nuclei.
• 🔘 Turn it off. 1-2 small kernels (e.g., small kernels, Cortex-A55 Snapdragon 7+ Gen 2). This will reduce consumption in standby mode.
• ⚡ Include all cores back before games or video rendering.

🔹 Substitution of temperature sensor data (risky method):

• 🌡️ Some Xiaomi models (e.g. Redmi) K50 Gaming) artificially limit performance when heating above 40°C. You can cheat the system by changing the sensor readings through Magisk and the Thermal Configs module.
• ⚠️ It can cause you to overheat! Use only if you understand the risks.

Screen: the main charge eater

The display consumes up to 40-50% It's a charge when you're using it. AMOLED-screens in Xiaomi 14 or Redmi Note 12 Pro+, Despite being energy efficient, they can quickly run out of batteries when you're not setting them right:

🔹 Adaptive refresh rate:

• 📱 B Settings → Display. → Screen refresh rate select Adaptive (1-120 Hz).
• 🎮 For games manually switch to 120 Hz, for other tasks leave 60 Hz.

🔹 Setting up AMOLED economy:

• 🌑 Include a dark theme in Settings → Display. → Dark subject. AMOLED That's up to 15 percent savings.
• 🎨 Use static wallpaper instead of live (animation eats up to 5% charge per hour).
• 🔦 Reduce the brightness to 40-50% And turn off Autobrightness -- the light sensor is constantly being questioned, which is consuming charge.

💡

In the models with AMOLED (Xiaomi 13/14, Redmi K60) You can set the wallpaper in black, and the pixels are completely off, saving you a lot of time. 10% charge.

🔹 Screen waiting time:

• ⏱️ Set 15 seconds in Settings → Display. → Sleeping mode.
• 🔄 Turn off the Waking Up and Double-Tap to Wake Up – these features keep sensors on.

4. Communication and network: how to reduce consumption by 2 times

Modules. 5G, Wi-Fi 6 and Bluetooth 5.2 in Xiaomi smartphones provide high speed, but also consume charge aggressively.+ 5G standby 5G Loses up to 2% of charge per hour – 3 times more than on the 4G.

🔹 Optimizing the mobile network:

• 📶 Switch to Just. 4G In Settings → SIM-maps and mobile networks → Preferred type of network.
• 🔄 Turn off VoLTE and VoWiFi if you are not using it. HD-ring-off.
• 📡 In roaming, make a compulsory choice 2G/3G — That'll save you up. 30% charge.

🔹 Wi-Fi and Bluetooth:

• 📶 Turn off Wi-Fi when not in use. Even in standby mode, the module scans the network every 15 seconds.
• 🔘 B Settings → Wi-Fi → Additionally, disable Wi-Fi Scanner and Autoconnect to open networks.
• 🎧 For headphones, use Bluetooth 5.0 LE (In Xiaomi Buds 4 Pro, turn on the power saving mode in the Mi Earphones app.

💡

The most voracious regime is 5G + Wi-Fi + Bluetooth at the same time. If you're not using high-speed Internet, switch to high-speed Internet. 4G and disable unnecessary modules.

🔹 Geolocation and sensors:

• 📍 B Settings → Confidentiality → Permits → Disable geolocation for all applications except maps.
• 🧭 Set the mode only by GPS (without network and Wi-Fi – this will reduce accuracy, but save charge.
• 🔄 Turn off the device scanner nearby in Bluetooth settings.

5. Appendices: Who is to blame for the rank?

According to Xiaomi, the top-5 most voracious applications on MIUI:

1. 🎮 Games (Genshin Impact, PUBG Mobile, Honor of Kings)
2. 📺 Video players (YouTube, TikTok, Netflix)
3. 🗺️ Maps (Google Maps, Yandex.Navigator)
4. 📸 Social networks (Instagram, Facebook, Telegram)
5. 🔍 Background processes (MIUI Daemon, Google Play Services)

🔹 How to limit games:

• 🎮 B Settings → Special facilities → Optimize games turn on Balanced or Energy Saving mode.
• ⚡ Install. FPS-limit in the game settings (for example, 30) FPS Genshin Impact instead of 60).
• 🔥 Use the Game Turbo (built-in) MIUI), But turn off background music and screen recording.

🔹 Background clean-up:

• 🧹 B Settings → Annexes → Clean Up Press Deep Cleanup (removes cache and stops background tasks).
• 🚫 Freeze unnecessary system applications through ADB: adb shell pm disable-user --user 0 com.miui.weather2 adb shell pm disable-user --user 0 com.miui.videoplayer

⚠️ Warning: Do not disable system processes called com.android. or com.miui. unless you are sure of their purpose).

6. Charging: How to prolong the life of a battery

Improper charging kills Xiaomi battery for 1-2 For example, the constant maintenance of the charge on the 100% reduces capacity 20-30% through 300 Here are the rules that will keep the battery alive:

🔹 Optimal charge levels:

• 🔋 Keep the charge in range. 20-80%. Use the AccuBattery app for reminders.
• ⚡ Supported models (Xiaomi 13 Pro, Redmi) K60 Ultra) Enable Optimized Charging in Settings → Battery.
• 🛌 At night, charge up to 80% and turn off power (use a smart timer outlet).

🔹 Types of chargers:

• ⚡ Use Xiaomi’s original charging with Quick Charge support 3.0/4+ or PD.
• 🔌 Avoid cheap cables – they heat the power controller, which leads to battery degradation.
• 🔋 For slow charging (at night) use an adapter on the 5W (from an old iPhone).

🔹 Temperature regime:

• 🌡️ Do not charge your smartphone at a temperature below 10°C or higher than 35°C.
• 🔥 If the phone is heated above 40°C, unplug it from charging and let it cool down.
• ❄️ In winter, before going outside, put your smartphone in your inner pocket - the cold is lower. -5°C damages lithium polymer batteries.

💡

On models with wireless charging (Xiaomi) 13 Ultra, Mi Mix 4) Give preference to wired charging. 20-30% less efficient and heats the battery more.

7 Advanced Methods: For Those Ready for Experiments

If standard methods don't work, try these non-obvious tricks, which take more effort, but they do work.

🔹 Replacement DNS save traffic:

• 🌐 B Settings → Wi-Fi → Additionally. → Settings DNS Set 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google).
• 📡 This reduces server response time by reducing mobile module activity.

🔹 Shutdown MIUI Optimization (requires unlocking the bootloader):

• 🔧 Install the Disable module through Magisk MIUI Optimization.
• ⚡ It shuts down the background processes. MIUI, who are constantly checking updates and synchronizing data.
• 📉 Savings: Up to 15% of the charge in standby mode.

⚠️ Attention: After disconnection MIUI Optimization may stop working dark theme, navigation gestures and some system applications!

🔹 Use of alternative firmware:

• 📱 Install custom firmware on the base AOSP (LineageOS or Pixel Experience).
• 🔋 These firmwares are devoid of "heavy" code MIUI It gives you up to 20% better autonomy.
• 🔧 Installation requires unlocked bootloader and knowledge ADB/Fastboot.

8 Hardware modifications: extreme measures

If the software is exhausted and the battery is still running out in half a day, then radical solutions remain, and they are suitable for older models (Redmi Note 8 Pro, Mi). 9T) or wear-out battery devices.

🔹 Battery replacement:

• 🔋 Xiaomi’s original batteries are used 2-3 year-end (400-500 If the capacity has fallen below 70%, battery replacement.
• 🛠️ Cost of replacement: 1500-3000 ₽ (Use only original or certified batteries (e.g. from the model) ZMI).

🔹 Disabling the second SIM-slot:

• 📶 If you don't use the second one SIM, So the module is constantly scanning the network, consuming it. 3-5% charge-hour.
• 🛠️ On some models (Redmi Note 11 Pro)+) You can physically disable the second slot by disassembling the phone.

🔹 Installation of an external battery:

• 🔋 For supported models OTG (for example, Poco X5 Pro) an external battery can be connected to 5000-10000 mic.
• ⚡ Use Power Bank with Quick Charge 3.0 Support for Quick Charge.

FAQ: Frequent questions about battery saving on Xiaomi