In an era of widespread OLED-Many users do not even think about the fact that their smartphone may not have the usual flashing LED under the screen. However, for owners of budget and mid-budget devices, as well as those who prefer to save battery power, the presence of a notification light indicator remains a critical element of the interface. It is this small light that allows you to instantly assess the importance of the message that has come, without touching the screen and without expending energy to start the display.
Xiaomi has been making devices with very different approaches to event display over the years. While LEDs were the de facto standard in older models, modern flagships and many popular Redmi and POCO models often lack this component to make the design cheaper or increase battery space. Understanding how the system works on your particular device will help avoid confusion when the phone silently vibrates in your pocket and you only know about the missed call after an hour.
In this article, we will discuss in detail which models of Xiaomi, Redmi and smartphones are POCO fully equipped LED-You'll learn how to activate hidden functions, why some devices only flash the right side of the speaker, and what to do if the physical LED stopped responding to incoming events.
The principle of LED-indication in the ecosystem MIUI and HyperOS
Technically, the implementation of light notifications in the devices of the Chinese giant is divided into two main types: hardware and software. RGB-An LED that's built into the body of a smartphone, usually located under the transparent part of the Mi logo on the back, or hidden under the top end of the display, which is able to change colors to signal different types of events: Green for posts, blue for social media, red for low charge.
The software display, often referred to as "screen breath" or Breathing Light, is a software emulation, in which case a small portion of the pixels at the top of the screen or around the front camera light up when a notification arrives. Despite the visual similarity, this method consumes much more energy, since it requires illumination of even a minimal zone of the matrix. AMOLED-In the case of screens, the constant illumination of static elements can theoretically lead to pixel burnout, although modern algorithms MIUI Try to avoid this by slightly shifting the image.
It's important to understand that the shell software can't create light where there's no physical component, unless your smartphone specs say it's not. LED-The indicator, no settings in the standard menu will cause the end of the device to light up, but the system may offer alternative visual signals that should be adjusted for comfortable use.
⚠️ Warning: Do not try to install third-party apps from the Play Market that promise to turn on the LED on models where it is not physically available, either flashing the screen (consuming the battery) or are malware. Check the hardware component in the official specifications before installing the software.
Full list of Xiaomi, Redmi and POCO models with LED
The situation with the presence of a physical indicator in the line of smartphones of the company is rather confusing, since the manufacturer often changes components even within the same series depending on the region of supply. LED-The display is guaranteed, usually the flagship lines of the past years and certain series of the average budget.
Owners of Mi Note series devices and older flagships like Mi 4, Mi 5 and Mi 6 can be calm — in these models, the LED is built into the logo on the rear. In newer flagships such as Mi 9 or Mi 10, engineers often hide the indicator under the top edge of the screen, making it barely noticeable when the display is turned off. In the budget segment, the situation is more complicated: the Redmi Note series often lacks this element, but there are exceptions in the Pro versions or special editions.
Below is a table that systematizes the presence of the indicator in popular series. Note that models marked "Hidden" have an LED integrated into the top frame, which is visible only when activated.
| Series of devices | LED's presence | Location. | Color scheme |
|---|---|---|---|
| Mi 4, Mi 5, Mi 6 | There is. | Under the logo at the back | RGB (multicolored) |
| Mi 9, Mi 10, Mi 11 | Got (hidden) | Under the top end | White/Green |
| Redmi Note 8/9/10 | No. | — | Screen emulation |
| POCO X3 NFC | No. | — | Screen emulation |
| Redmi Note 11/12 Pro | No. | — | Screen emulation |
It is worth noting that in some models of the Redmi K series (which are available on the global market as a model). POCO F) Engineers returned the LED, but often limited its functionality to white glow, which is done to reduce the cost of production, since a monochrome diode is cheaper than a full-color diode. RGB-If you care about the color code of events, carefully review the reviews of a particular modification before buying.
How to turn on and configure the notification indicator
If you've made sure your device has a physical LED, but it doesn't light up when you're calling or texting, it's probably disabled in the system settings. In the MIUI shells and the new HyperOS, you have a separate menu that's sometimes hidden from the eyes of the inexperienced user.
Go to the smartphone settings menu and find the Additional Settings section. In some firmware versions, this item may be simply called Settings without nesting if you use the classic menu view. Next, select Light Indication or Light Indicator, and this is where the global status of the LED switches.
☑️ Setting up the indicator
Once you activate the general slider, you will be able to choose colors for different events, and the system allows you to flexibly adjust your response to:
- 📞 Incoming calls – usually assigned green or blue to quickly identify a call in your pocket.
- 💬 Communications (SMS/MMS) — Often the default is yellow or orange.
- 📱 Application notifications – for social networks and instant messengers, you can choose any convenient color from the palette.
- 🔋 Charging device – an indication of the charging process, often flashing to reach 100%.
If after a major update to Android, the indicator stopped working, the verification algorithm should be repeated again, also make sure that notifications are allowed in the settings of specific applications (for example, Telegram or WhatsApp), otherwise the system will not receive a signal to activate the LED.
The problem of the lack of an indicator in the new models of Redmi and POCO
Users switching from old smartphones to new models of Redmi or POCO, And we often get the unpleasant surprise that LEDs are gone, and this is a conscious decision by marketers and engineers to reduce the cost of devices and free up the interior space. In the budget segment, the struggle is for every millimeter of the body volume and every gram of weight, so from the "excesses" like LED-The diode is ruthlessly disposed of.
Instead of the physical component, manufacturers are implementing Advanced Notifications (or Notification Blinking), which briefly lights up the screen when a message arrives, showing the app icon or text. While this solves the problem of informing, this approach has serious drawbacks: it puts the battery down much faster and can lead to burnout. OLED-matrices with frequent use.
Why did they take the LED out?
If you're running out of LEDs, don't despair. There are software crutches and alternative methods that can partially compensate for this loss, but none of them will give you the same energy efficiency and stealth that the little diode in the corner of the case provided.
Alternatives: How to Replace a Light Indicator
For owners of devices without hardware LED-And the indicator is that Android developers and enthusiasts have created a number of solutions. The easiest and safest way to do this is to use the built-in features of the system. → Screen. → You can often find the option of the Notification Indicator, which activates this item causes the screen to flash briefly when new data is received.
More advanced users should look to camera flash applications. Programs like Flash on Alert or NotifyBuddy (for 3.5mm devices without a connector) can use a flash LED or even a screen to simulate the operation of an indicator, but such solutions require constant permissions and can conflict with the camera in other applications.
- 🔦 Flash usage: The camera flashes when notified. Cons: you can't use your phone in the dark without blinding yourself.
- 📱 Always-On Display (AOD): Constantly burning screen with clocks and icons.
- ⌚ Smart watches/bracelets: Vibration on the wrist is the best alternative that does not require the phone screen to be turned on.
⚠️ Note: When using third-party applications to emulate the indicator through the screen (especially on the screen) AMOLED-There is a risk of pixel burnout. Do not set maximum brightness and minimum glow time if you use such utilities constantly.
Diagnostics and troubleshooting
There are times when the LED is physically present but not behaving correctly: flashing the wrong color, not fading after reading the notification or running chaoticly. Often the problem is not the hardware, but the software failure of the Android notification service. The first step should always be to restart the device, which cleans the RAM and restarts the system processes.
If the reboot didn’t work, it’s worth checking if the Do Not Disturb or Sleep mode is blocking the indicator. In these modes, the system can ignore visual signals to avoid disturbing the user. It’s also worth checking for firmware updates: in early versions of MIUI for some models (for example, Mi 9T) there were LED bugs that were patched with security patches.
💡
If the LED flashes constantly and does not go out even after rebooting, this may indicate a stalled process in the system. Try to enter safe mode (clutching the off button on the lock screen) and check the behavior of the indicator. If the problem is gone in safe mode, the third-party application is to blame.
In rare cases, a component may fail physically, and if the LED stopped lighting even when the battery was low (when the phone was off), it was likely that the diode itself had burned out or the plume had gone away, and only going to the service center would help, although for most users, the absence of one color point is not a critical breakdown.
💡
The lack of LED reaction on the phone turned off when charging is a sure sign of a hardware fault of the component that cannot be fixed programmatically.