Power Savings on Xiaomi Phone: A Complete Guide to Extending Battery

Xiaomi smartphones are famous for their value for money, but even the most advanced models of Redmi, POCO or Mi face a perpetual problem: the battery goes down faster than you would like. Especially when you use it actively — social networks, games, navigation or just background synchronization of applications can “eat” 50% of the charge in a couple of hours. Fortunately, MIUI firmware has a lot of tools to save energy, which most users do not even know.

In this article, we will analyze not only standard tips like reducing the brightness of the screen, but also hidden settings. MIUI, hardware chips of Qualcomm and MediaTek processors, as well as little-known tricks for models with AMOLED-You'll learn how to turn off the power-hungry services of Google and Xiaomi, which apps are fraught with "leakage" of charge, and why sometimes the "Ultra-Economic" mode in the Internet is not a good idea. MIUI 14+ may +40 percent of the time you run without recharging compared to factory settings. Ready to turn your Xiaomi into a "energy-saving monster!

1. Hidden MIUI settings for energy savings

Firmware MIUI (version 13/14/15) It contains dozens of hidden parameters that directly affect battery consumption, most of which are hidden in the Settings menu. → Battery, but some require activation through Developer Mode or even ADB-So let's start with the simplest thing, the built-in power modes.

MIUI has three main energy consumption profiles:

• 🔋 Balanced: a factory mode that tries to compromise performance and time, suitable for most users, but not optimal for savings.
• 🌿 Charge savings -- limits the background activity of applications, reduces the CPU clock speed, and turns off some animations. 15-25% time-work.
• ⚡ Ultra-economy (available not on all models) - radically reduces functionality: disables mobile Internet in the background, limits the work to the maximum possible level of the Internet. 6 It can also be used to run the processor in a low-power mode. 30-40%, but only suitable for emergency cases.

To activate Ultraeconomy (if not on the menu):

1. Go to Settings → About Phone and tap the MIUI version 7 times to turn on Developer Mode.
2. Go back to Settings → Additional → For developers and find the option to Limit Background Processes.
3. Set the value without background processes (this is the analogue of "Ultra-Economics" for models where this mode is not displayed).

Attention! Ultrasaving mode disables notifications from most applications (except calls and SMS). If you are waiting for an important message on Telegram or WhatsApp, add these apps to the exceptions in the Settings menu → Battery → Battery Optimization.

2. Screen optimization: AMOLED vs LCD and hidden settings

The display is the main charge eater in any smartphone. AMOLED-screens (for example, Xiaomi 13 Pro, Redmi) K60, POCO F5 Pro) you can save up to 30% of power by setting the display correctly. LCD, where the lighting is always working, AMOLED The pixels glow independently – black doesn’t consume energy at all!

Here's what we can do:

• 🌑 Turn on the dark theme: go to Settings → Display. → Dark subject. AMOLED-This reduces the battery consumption on the screen. 10-15%.
• ⏱️ Set up screen timeout: reduce the time to 15-30 seconds in Settings → Display. → Sleep after.
• 🔍 Turn off the "Always on screen" (AOD): This function eats up to 5 percent of the charge per hour. → Display. → Screen locking.
• 🎨 Use static wallpaper: animated wallpaper increases the load on the processor and graphics accelerator. Replace them with black or dark in Topics → Wallpaper.

For models with LCD-With screens (such as the Redmi Note 12 base version), these tricks won’t work, but you can optimize brightness:

• ☀️ Turn off autobrightness and set the value manually to level 40-50%. Automatic adjustment often overstates brightness.
• 📊 Include adaptive brightness in Settings → Display. → Brightness – it takes into account lighting more accurately than standard autobrightness.

3. Background activity: Which applications drain the battery?

Even when you're not using your phone, some apps continue to eat charge in the background.

• 📱 Social networks (Facebook, Instagram, TikTok) – constantly synchronize data and show notifications.
• 📍 Geolocation services (Google Maps, Yandex.Maps, Uber) – use GPS even when the app is closed.
• 🎵 Music services (Spotify, YouTube Music, Yandex Music) – cache tracks and update playlists.
• 📧 Email clients (Gmail, Yandex Mail) – check new emails every time 15-30 minute.

How do you fix that?

1. Limit background activity: Go to Settings → Apps → App management. Select an “energy-intensive” app (like Facebook). Tap the Battery → Limit background activity.
2. Disable AutoRun: In the same app management menu, find AutoRun and deactivate it.This will prevent the application from starting when you turn on your phone or connect to the Internet.

Disable access to geolocation in the background

• In Settings → Privacy → Permissions → Geodata.
• For each application, set the Only mode during use.

Limit background activity for social networks

Disable Auto-Run for Unnecessary Applications

Prohibit geolocation in the background for maps and taxis

Remove or freeze unused applications

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⚠️ Attention! Do not limit background activity for system applications (e.g. com.android.phone or com.miui.securitycenter) This may lead to communication issues or security notifications.

4. Secret MIUI chips: what to turn off for maximum savings

MIUI is known for its abundance of features, many of which run in the background and consume charge.

• 🔄 Auto-update MIUI: Go to Settings. → The phone. → Update the system and disable Autoboot. Updates can be installed manually.
• 📡 Search for Mi devices: in Settings → Connections and sharing → Device Search Deactivate This Function If You Are Not Using the Mi Band or Other Xiaomi Gadgets.
• 🎯 Recommendations MIUI: In Settings → Home screen turn off Show recommendations - this will reduce the background activity of system processes.
• 📊 Usage statistics: C Settings → Battery → Battery usage statistics can be turned off data collection (this is insignificant, but still saves charge).

Another hidden energy eater is Google services, and even if you don't use Google Play, many of the system processes (Google Play Services, Google Services Framework) are still working to limit them:

1. Go to Settings → Applications → Application Management → Google Play Services.
2. Slip the battery. → Limit background activity.
3. In the same menu, turn off Autostart.

On models with Qualcomm chipsets (such as the Snapdragon 8 Gen 2 in Xiaomi 13), disabling Google services can cause some features (such as push notifications) to work unstable.

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If notifications from Telegram or Viber stop coming after the restriction of Google Play Services, return the settings back and instead turn off background activity for the messengers themselves, leaving only “Push notifications” in their settings.

5. Hardware tricks: how the processor and modem affect the battery

Even if you optimized your software, your Xiaomi hardware can continue to use energy inefficiently. Here's what you can do at the hardware level:

• 📶 Limit the modem: Switch from 5G on 4G (or 3G, If the speed is not critical, then the settings → SIM-maps and mobile networks → Preferred network type: Turn off VoLTE and VoWiFi if you don't use voice calls over the Internet.
• ⚙️ Configure the processor: In Developer Mode (Settings) → Additionally. → For developers, find the option to limit background processes and set a maximum of 2 process. Turn off window animation, transition animation and animation duration (set the value to turn off animation). GPU.
• 🔋 Battery calibration: If the phone suddenly turns off when 10-20% charge, perform calibration: completely discharge the device before turning off, then charge to 100% Repeat the procedure without interruption. 2-3 This will reset the data of the battery controller.

For advanced users, there is another way to disable unused CPU cores, which is true for flagships with 8-core chipsets (such as Xiaomi). 12T Pro on Snapdragon 8+ Gen 1. This can be done through ADB:

adb shell su


echo 0 > /sys/devices/system/cpu/cpu4/online




echo 0 > /sys/devices/system/cpu/cpu5/online




echo 0 > /sys/devices/system/cpu/cpu6/online




echo 0 > /sys/devices/system/cpu/cpu7/online

⚠️ Warning! Disabling the CPU cores can lead to reduced performance and unstable phone performance.This method is only suitable for power users and is not recommended for everyday use!

6.Alternative methods: from root rights to battery replacement

If all of the above methods do not give the desired result, you can go further – but this requires deeper knowledge or even physical intervention in the device.

• 🔧 Getting root rights: using Magisk or TWRP You can disable system applications (Mi Video, Mi Music, GetApps) that cannot be removed by standard means, and you can install modules for deep kernel optimization (for example, Greenify or NapTime).
• 🔄 Custom core firmware: Cores like FrancoKernel or ElementalX offer advanced power saving settings (e.g. undervolting). Note: this voids warranty and can lead to a device "brick.
• 🔋 Battery replacement: If the phone is older 2 The battery could have lost up to a year. 30-40% Replacing it with a new one (original or quality) will bring back the original operating time, and the cost of replacing the battery at Xiaomi's service center will be reduced to the same amount. 1 500 before 4 000 ruble depending on the model.

For users who don’t want to risk the warranty, there’s a safer option – using external batteries. For example, Xiaomi Power Bank 3 (20,000 mAh) can charge the Redmi Note 12 3-4 times, and the model with Quick Charge 4+ support will charge the phone 50% in 30 minutes.

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If your Xiaomi is older than 2 years and the battery holds less than 4-5 hours of charge with moderate use, the most likely problem is the wear and tear of the battery.

7. Myths about energy saving: What doesn't work for Xiaomi

There are a lot of tips on saving power online that are either outdated or just don't work on today's Xiaomi smartphones.

• ❌ "Close applications from multitasking": "In MIUI (As with Android in general, shutting down applications manually doesn’t save you charge, but instead forces the system to waste resources on re-starting them, except for games and heavy apps (such as Genshin Impact), which are really worth closing after use.
• ❌ "Turn off Wi-Fi and mobile data when not in use": Switching between Wi-Fi and mobile Internet consumes more energy than constantly connecting to a single network.
• ❌ "Charge your phone to only 80 percent": This tip is relevant to extend battery life, but not to save energy at the moment.If you need maximum running time, charge to 100%.
• ❌ "Use Killer Tasks: Applications like Clean Master or DU Battery Saver not only doesn’t help, it hurts — they’re constantly working in the background, closing processes that Android could optimize on its own.

Another popular myth is that "plane mode saves power." Yes, it shuts down all wireless modules, but in most cases it's not practical. For example, if you need to stay connected but save battery, better:

• Leave it on. 2G (In Settings → SIM-map → Preferred type of network).
• Turn off Wi-Fi, Bluetooth and GPS if you don’t need them.
• Enable charge saving mode in battery settings.

FAQ: Frequent questions about energy savings on Xiaomi