How to maximize screen time on Xiaomi Redmi: from MIUI settings to hidden chips

Screen On Time (SOT) is a key indicator of smartphone autonomy that worries every Xiaomi Redmi owner. Even with powerful 5000-6000 mAh batteries, many users experience the screen go out after 4-6 hours of heavy use, the reasons lie not only in battery capacity, but also in the optimization of MIUI, background activity of applications and hardware features of specific models – whether it is the Redmi Note 12 Pro+ or the budget Redmi 10A.

In this article, we will discuss 7 working methods to increase screen hours by 20-50% without buying a powerbank or replacing a battery. You will learn what MIUI 14/15 settings affect battery life the most, how to properly calibrate a battery, and why even turning off 5G can give +1 hour SOT on models with support for new networks. All recommendations are tested on current firmware and adapted to the specifics of the Qualcomm Snapdragon and MediaTek Helio processors used in the Redmi line.

Important: results will vary depending on the model, firmware version and usage scenarios. for example, on the Redmi Note 11 Pro with the AMOLED-The dark theme optimization will give a bigger boost than Redmi. 9A s IPS-We'll show you which methods work universally and which ones are worth selectively applying.

1. Optimizing screen settings: brightness, refresh rate and themes

The display is the main consumer of power in a smartphone. On Redmi models with AMOLED (for example, the Note 10 Pro or K50), the screen can eat up to 40% of the charge, and on IPS (as in the Redmi 9C) – up to 30%.

Brightness and adaptive lighting:

• 🌞 Set manual brightness at 40-50% Automatic adjustment (Adaptive brightness in Settings) → Display) often overstates the values.
• 🌙 Include a dark topic (especially on the subject). AMOLED) — It reduces consumption by 10-15% by turning off pixels when displaying black.
• ☀️ Turn off Automatic Color Temperature Change (in Settings) → Display. → Color mode, as the light sensor consumes additional energy.

Screen refresh rate: On models with 90 Hz or 120 Hz (for example, Redmi Note 12 Pro+), switching to 60 Hz gives +1-1.5 hours of SOT.

1. Go to Settings → Display → Screen refresh rate.
2. Choose 60Hz or Auto (if available). In Auto mode, the system will reduce the frequency with simple scrolling.
3. For compulsory restriction, use ADB-Adb shell settings put global peak_refresh_rate 60

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In the models with AMOLED-screens (e.g. Redmi) K60) Turn on “Always On Display” only for important notifications – constant pixel lighting eats up to 5% charge per hour.

2. Battery mode settings and background restriction

MIUI offers three pre-power saving modes, but their standard settings are far from optimal. Let's consider how to manually adjust them for maximum SOT.

Power regimes:

• ⚡ Balance - Optimal for most users, restricts background activity but keeps notifications.
• 🔋 Energy saving – disables background synchronization and reduces productivity CPU/GPU. Dayet. +20–30% Autonomy, but it interferes with messengers.
• 🛡️ Super energy saving – leaves only calls and SMS. Suitable for emergency cases when you need to "pull" before charging.

How to set it up manually:

1. Go to Settings → Battery and Performance → Battery Mode.
2. Select Balance and click Settings (cog in the upper right corner).
3. Activate: 🔄 Limit background activity (for all applications except messengers). 📶 Limiting mobile data in the background. 🔍 Limit search Wi-Fi/Bluetooth.

Manual application restriction: Even in Balance mode, some programs (e.g. Facebook, TikTok) continue to work actively in the background.

1. Go to Settings → Applications → Application Management.
2. Select “glutty” application → Battery use → Limit background activity.
3. For radical savings, turn off Auto Start and Notifications.

3. Battery calibration and statistics reset

Over time, the Xiaomi Redmi battery controller starts to misrepresent the charge level: the phone suddenly shuts down at 15-20%, even though the battery is not yet discharged, due to a malfunction in the calibration data, and there are two ways to fix the problem.

Method 1: Program reset (without root):

1. Charge your phone to 100% and don’t turn off charging for another 1-2 hours.
2. Turn off charging and use your phone until it automatically shuts down (don’t manually restart!).
3. Connect the charger and charge up to 100% without interruptions.
4. Repeat the cycle 2-3 times.

Method 2: Reset through the engineering menu (takes care!):

1. Enter the phone code in the app: ##4636##.
2. Go to Battery Information and click Reset Battery Statistics.
3. Complete a full discharge/charging cycle (as in Method 1).

GPS and location: Even if you don't use navigation, many apps (e.g. Google Maps, Yandex.Maps, Weather) are constantly asking for geodata.

1. Go to Settings → Privacy → Permits → Location.
2. For unnecessary applications, choose to refuse or only during use.
3. Turn off Wi-Fi and Bluetooth Search in Location settings.

5. Autostart and Background Process Management

MIUI aggressively optimizes background processes, but some apps (especially Chinese ones) bypass these limitations, such as Mi Video, Mi Browser or GetApps can run on their own and consume charge.

How to turn off autostart:

1. Go to Settings → Applications → Application Management.
2. Click on the three dots in the top right corner and select AutoRun.
3. Turn off auto-run for all applications except instant messengers and system services (e.g. Google Play Services).

Background Limitation through Security: Xiaomi has a built-in deep optimization tool:

1. Open the Security app (shield icon).
2. Go to Optimization → Battery → Application Battery Management.
3. Select Strict Limits for Unnecessary Applications.

Hidden processes: Some system services (e.g., mipush for notifications or msa for analytics) run in the background all the time, and can be disabled via ADB:

adb shell pm disable-user --user 0 com.xiaomi.mipush


adb shell pm disable-user --user 0 com.miui.analytics

⚠️ Note: Disabling system services through ADB This may disrupt notifications from Mi Account and other functions.Before executing commands, make a backup copy of the data.

6. Use of third-party tools and firmware

If standard methods do not increase SOT enough, you can turn to third-party solutions, but they require caution and sometimes unlock the bootloader.

Applications for optimization:

• 🔋 Greenify - suspends background processes without root. Requires customization through ADB.
• 📊 BetterBatteryStats – shows detailed statistics of charge consumption (root needed).
• ⚡ ForceDoze – Forced to activate Android power saving mode for all applications.

Custom firmware: Some builds (such as Pixel Experience or LineageOS) are better optimized for autonomy than standard MIUI.

• ✅ Pluses: +20–30% SOT, Lack of Chinese services.
• ❌ Cons: loss of warranty, possible bugs with camera or sensors.

Core and Mod: For advanced users, there are options with a kernel replacement (e.g., FrancoKernel) or mod installation like the Magisk Power Efficiency Tweaks module. These methods increase to 10-15% SOT, but require:

• Unlocked bootloader.
• Installed by Magisk (root).
• Backup of the data.

7. Hardware methods: battery replacement and cooling

If software methods don’t work, the problem may be physical battery wear or overheating. On Xiaomi Redmi, the battery loses 20–30% of capacity after 300–500 charging cycles (approximately 1.5–2 years of use).

How to check the wear of the battery:

1. Enter the phone code in the app: ##4636##.
2. Go to Battery Information and see the Wear Level parameter.
3. If the value is >15%, the battery should be replaced.

Signs of a worn-out battery:

• 🔥 The phone warms up when charging.
• ⚡ Charge drops from 30% to 0% in a few minutes.
• 🔌 Does not keep the charge in standby mode (discharged by 10-15% per night).

Battery replacement: official Xiaomi service centers offer replacement for 1500-3000 rubles (depending on the model).

Cooling: Overheating reduces screen time by 10-20% to avoid this:

• 🧊 Do not use your phone while charging for games or videos.
• 🌬️ Remove the case under heavy load (for example, in games).
• 🔥 Avoid direct sunlight (especially for Redmi with plastic case).

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Replacing the battery with a non-original one can cause rapid wear and tear or even fire.Buy batteries only labeled Xiaomi Original from trusted sellers.

FAQ: Frequent questions about increasing SOT on Xiaomi Redmi