How to turn on the active screen (Always-On Display) on Xiaomi Redmi 9T: all the ways and nuances

Xiaomi Redmi 9T — One of the most popular budget smartphones with AMOLED-Display, but many users are faced with a problem: the function of the active screen (Always-On Display, AOD) It's either not in the settings or it's not working properly. In this article, we'll look at all the ways you can turn it on. AOD on the Redmi 9T, including hidden settings MIUI, circumvention of limitations and alternative solutions for models without official function support.

It is important to understand that Redmi 9T It was released in several modifications with different screens: IPS LCD (marker M2010J19SG) and AMOLED (less frequently, usually in regional versions. AOD Available only by default AMOLED-In versions, but even there, it can be blocked by firmware or regional restrictions, and we'll look at solutions for both, from standard settings to manually enabled via a mobile phone. ADB.

What is Always-On Display and Why is it Not on Redmi 9T?

Always-On Display (AOD) — This is a mode where part of the screen is still active even when it's off, displaying time, notifications or a picture. AMOLED- and OLED-displays, as they highlight individual pixels, not the entire screen (unlike the screen) IPS LCD).

On Xiaomi Redmi 9T, the situation is complicated by the following factors:

• 📱 Screen Type: Most devices are equipped IPS LCD, physically unsupportive AOD. You can check the type of matrix through the application AIDA64 (display).
• 🌍 Regional restrictions: Xiaomi shuts down AOD for some markets (for example, in firmware for Russia or India) to save battery power.
• 🔄 Version. MIUI: In old assemblies (below) MIUI 12.5) the function may not be present even at AMOLED-model.

If you're Redmi. 9T fitted IPS LCD, formal AOD It is impossible to include, but there are alternatives (we will discuss them at the end of the article). AMOLED-Read on with the models.

Checking AOD support on your device

Before you try to turn on the active screen, make sure your device supports it, and you can do this in two ways:

1. Through MIUI settings: Open Settings → Screen. Scroll down and look for Always-On Display or Active Screen. If not, your model or firmware doesn't support the function.
2. Through Device Info HW: Install the app from Google Play. Go to Display. Check the Display Type bar. If AMOLED is specified, you have a chance to turn on AOD.

⚠️ Attention: Some Redmis 9T s AMOLED-screen-work AOD It can be locked at the nucleus level, and then it can be turned on by ADB You'll have to make a permanent system error before you experiment.

Method 1: Enabling AOD through standard MIUI settings

If your Redmi 9T supports an active screen, you can turn it on in 3 steps:

1. Open the Settings → Screen → Always-On Display
2. Activate the switch at the top of the screen.
3. Set up the information displayed: ⏰ Watch: Choose a style (analog or digital). 📱 Notifications: Enable the display of app icons. 🎨 Color: Set up a color scheme (black and white saves charge).

If there is no Always-On Display but an AMOLED screen, try updating the firmware:

• Go to Settings → About the phone → System update.
• Install the latest version of MIUI (13.0+ is recommended).
• After the update, restart the device and check for the item again.

Method 2: Enabling AOD through ADB (for power users)

If the function is hidden in firmware, it can be unlocked using ADB (Android Debug Bridge. This method works with Redmi. 9T s AMOLED-screen-and-firm MIUI 12.5+, But it requires a computer and debugging. USB.

Step-by-step:

1. Turn on USB debugging: Go to Settings → About Phone. Tap 7 times on MIUI to activate Developer Mode. Go back to Settings → Additional → Developer. Activate USB Debugging.
2. Connect your phone to your PC: Install ADB Tools on your computer. Open the command line (cmd) in the adb.exe folder. Enter the command: adb devices Make sure the device is identified.
3. Activate. AOD: adb shell settings put global always_on_display_enabled 1 After completing, restart the phone.

If you don’t have AOD after the reboot, try an alternative command:

adb shell am start -n com.android.settings/.display.AlwaysOnDisplaySettings

This command forcibly opens the hidden menu of AOD settings (does not work on all firmware).

⚠️ Note: Some users report that after switching on AOD through ADB on the Redmi 9T Artifacts appear on the screen or battery consumption increases 15% If you notice problems like this, roll back the change by the command: adb shell settings put global. always_on_display_enabled 0

Method 3: Alternative AOD applications on IPS LCD

If you're Redmi. 9T fitted IPS LCD-screen-wire AOD You can't turn it on, but you can use third-party apps that mimic the function:

• 🌙 Always On AMOLED: Shows time, notifications and battery on a black background, saves charge on a dark theme (but not as efficiently as a real one). AOD). Requires permission to display over other windows.
• ⏳ Glance Plus (by Microsoft): Calendar and weather integration; gesture support (like double tap to unlock) works on any screen but consumes more battery.
• 🔄 AcDisplay: Minimalist design with notification support, automatic shutdown at low charge, may conflict with certain shells (e.g, MIUI 14).

To reduce battery consumption when using alternative applications:

• Set the minimum brightness of the screen in the application settings.
• Turn off unnecessary widgets (such as weather or calendar).
• Set up a work schedule (for example, only at night).

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If you use Always On AMOLED, activate the option Only black background in the application settings – this will reduce battery consumption by 20-30% by turning off the pixel backlight.

How to reduce battery consumption when using AOD

Active screen is one of the most voracious features on a smartphone. On the Redmi 9T with AMOLED, battery consumption can increase by 5-10% per hour, and on IPS LCDs (with alternative applications) - up to 15-20%.

Additional advice:

• 🔋 Turn it off. AOD charge below 20% (set up automatic shutdown in function settings).
• 🌙 Use dark wallpaper – this reduces the load on the screen.
• 🔄 Regularly update the firmware: in new versions MIUI Optimized battery consumption for AOD.

⚠️ Note: Some of the Redmi firmware 9T (for example, MIUI 12.0.3) long-term AOD You get the pixel burnout effect, so to avoid that, change the position of the clock on the screen every time. 2-3 During the day or use dynamic wallpapers.

Frequent problems and their solutions

When you turn on AOD on Redmi 9T, users experience common errors.

• 🚫 AOD not enabled after the update: Reset screen settings: Settings → System system → Resetting settings → Reset the screen settings. Check if the function is disabled in Settings → Battery → Battery Optimization (Delete System) UI optimizing).
• ⚡ Battery discharge too fast: Turn off notifications in AOD. Reduce screen activity time to 5 seconds. Check background processes: some apps (like Facebook) interfere with proper operation AOD.
• 🔄 AOD It spontaneously shuts down: Update the firmware to the latest version. Check the proximity sensor -- sometimes it blocks. AOD If you have your phone in your pocket, reset the settings. MIUI before the factory (pre-make backup).

If neither of these methods worked, there might be a problem with the hardware, like some Redmi batches. 9T s AMOLED-There is no controller responsible for the screen AOD. In this case, it remains only to use third-party applications.

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Before resetting or updating your firmware, always check the MIUI version on Xiaomi’s official website – some beta versions may block AOD.

FAQ: Answers to Frequent Questions