Light indicator on Xiaomi Mi9 Lite: full setup in 5 minutes

The Xiaomi Mi9 Lite is one of the brand’s most popular smartphones, but many users still don’t know how to set up its light indicator correctly.This small but important element helps keep notifications from being missed even when the screen is off. However, by default, the indicator may not work the way you would like it to: blink too brightly, confuse colors or not respond to messages at all.

In this article, we’ll look at all the ways you can adjust your LED to your Mi9 Lite, from basic settings in your phone’s menu to hidden functions through an engineering menu, how to change the color of notifications for different apps, turn off blinking at night, or even deactivate the indicator if it annoys you, and answer the common questions: why the indicator doesn’t work, how to reset it, and whether you can set custom colors.

Important: The instruction is relevant to the original MIUI firmware (versions 10–14) and does not require root rights. If you have custom firmware (for example, LineageOS), some items may differ.

Where is the light indicator on Xiaomi Mi9 Lite and how it works

On the Mi9 Lite, the LED is located at the top of the screen, to the left of the front camera, and it performs two main functions:

• 📱 Notifications: Blinks when missed calls, SMS or messages in messengers (color depends on the type of notification).
• 🔋 Charging: Burns red when connected to the charger and green when fully charged.

By default, the indicator is activated, but its behavior can be configured flexibly.

• 🎨 Change the color for specific apps (e.g. blue for Telegram, green for WhatsApp).
• ⏰ Turn off the blinking at night.
• ⚡ Set the frequency of blinking (fast/slow).

Interesting fact: Mi9 Lite is used for use RGB-LED, so it can display not only standard colors (red, green, blue), but also their shades. MIUI Only basic options are available.

How to turn on or off the light indicator through MIUI settings

The basic indicator setting is available in the Settings menu. Here is the step-by-step instruction:

1. Open the Settings app (the gear icon on the desktop).
2. Go to the Notifications and Status bar section.
3. Select the Light indicator item.
4. Activate the switch Turn on the light indicator.

Here you can:

• 🔘 Turn on/off the indicator completely.
• 📊 Set up behavior for missed calls, SMS applications.
• ⏳ Set the duration of blinking (short/long).

If you want to completely turn off the LED (for example, it interferes at night), just move the slider to the off position. in the main menu of the indicator settings.

Ask a friend to send you a message in messenger | Skip the test call |Plug the phone to charge |Check if the LED flashes in each case-->

Set up notification colors for different applications

By default, the Mi9 Lite uses standard colors for notifications:

• 📞 Missed call - red.
• 💬 SMS — green.
• 📱 Applications (messengers, social networks) – blue.

However, you can change the color for specific applications.

1. Go to Settings → Notifications and Status bar → Light indicator.
2. Select the color of the app notifications.
3. Click on the app you want (like Viber or Instagram).
4. Choose one of the available colors: red, green, blue, yellow or purple.

Important: MIUI does not have the option to set an arbitrary hue (e.g. turquoise or pink) – only from the 5 options offered. If you want custom colors, you will need root or third-party apps like Light Manager (more on this below).

💡

If you often confuse notifications from different messengers, assign them contrasting colors, such as WhatsApp is green, Telegram is blue, Viber is purple, so you can identify the source of the message, not including the screen.

Hidden settings of the light indicator through the engineering menu

If standard MIUI options aren't enough, you can go to the phone's hidden menu, and you can access additional options, like:

• 🔄 Change in blinking speed (frequency in milliseconds).
• 🎛️ Adjusting the brightness of the LED.
• 🔧 Resetting indicator settings to factory.

To open the engineering menu:

1. Open the Phone app.
2. Enter the combination: ##3646633## (or #4636## on some versions of MIUI).
3. Go to the Hardware Testing → Lights section.

In this menu you will see the settings for setting up the LED:

• LED Red/LED Green/LED Blue are test modes for checking the performance of each color.
• LED Blink Frequency is the blinking frequency (value in ms, for example, 500 for slow blinking).

Warning: Changes in the engineering menu can cause the indicator to work unstable. If the LED stopped working after the experiments, reset the settings in the same menu or restart the phone.

Problems with the light indicator on the Mi9 Lite and their solutions

Sometimes the Mi9 Lite indicator doesn't work properly, and here are the most common problems and ways to fix them:

If the indicator stopped working after the MIUI update, try:

1. Clear the Settings app cache (Settings → Applications → Application Management → Settings → Clear the cache).
2. Reset the indicator settings through the engineering menu.
3. Reverse to the previous firmware version (if the problem is critical).

💡

If the light indicator does not work after resetting the phone to the factory settings, first check if it is turned on in the Notifications → Light indicator menu. Often after reset, this option turns off automatically.

Third-party applications for advanced indicator setting

If you don't have the standard MIUI, you can install third-party apps. Here are the best options for the Mi9 Lite:

• 🔧 Light Manager — LED Settings (requires root): Allows you to assign any color to notifications (including shades); Supports blinking settings for each application separately; Can sync with Tasker for automation.
• 📱 Light Flow (without root, but with limitations): Can control LED and vibration. Supports notification groups (for example, all messengers are blue.
• 🎨 AODNotify (for Always-On Display): Allows you to replace the flashing of the LED with animation on the screen. Works even if the indicator is broken.

Important: Before installing third-party applications, check their compatibility with your version of MIUI. Some programs may conflict with system settings, which will lead to constant burning of the LED or its complete inoperability.

⚠️ Attention: apps like Light Manager require root rights, which will void the warranty on your phone. If you're not sure about your skills, you'd better get by with standard settings. MIUI.

How to turn off the light indicator at night or on schedule

If the blinking of the LED is keeping you awake, you can turn it off for a certain amount of time.

1. Go to Settings → Notifications and Status bar → Light indicator.
2. Activate the option to Disable for a while.
3. Set the interval, for example, from 23:00 to 7:00.

If this option is not available (some versions of MIUI do not have it), use the workaround:

• 📱 Install MacroDroid and create a rule: Trigger: Time (e.g. 23:00) Action: Turn off the light indicator (via settings) MIUI or ADB-Condition: Screen off.
• 🔄 Similarly, set the rule to turn on the indicator in the morning.

Another way to do this is to use the Do Not Disturb mode:

1. Open Settings → Sound and vibration → Do not disturb.
2. Turn on the option on the schedule and set the time.
3. In additional settings, select Turn off light effects.

💡

If you often forget to turn on/off the indicator at night, use the Quick Settings widget for quick access to the LED settings. Add it to the notification panel to control the indicator in one tap.

FAQ: Frequent questions about the light indicator Xiaomi Mi9 Lite