How to turn on the notification light on an Android phone

Data encryption and integrated circuits

Such elements are installed on a board that controls the voltage supply.
The work is due to access to program code and the use of special microcontrollers. Using programming, timing is set, affecting the display of components at a certain time. The integrated circuit converts the binary and binary decimal code supplied to the display. Common circuits for controlling domestic indicators are K514ID2 or K176ID2, in imported models 74HC595. Control is possible in two ways: Directly, through microcontrollers; - Using shift registers

The first option is less successful due to the need to connect many pins. In addition, the current consumption may be higher than is possible with microcontrollers. Large seven-segment indicators depend on the MBI5026 chip.

Setting the indicator light color

Despite the fact that the color of the indicator is defined by default, you can customize it, that is, change it as you wish

.
Unfortunately, this function is not present in all phones in the line. More expensive, modern and functional models (for example, Xiaomi Redmi Note 4X
or
Xiaomi Redmi Note 5
) have the ability to make the indicator light acquire different colors in accordance with the user’s preferences. The color palette depends on the gadget model. How to change the color of the application indicator?

Open “Settings” in any convenient way.
Go to “All applications” in the “Applications” section.

We select any application for which we want to install a light indication and click on it.

Scroll through and find “Notifications”. Click.

Find “Indicator light”. Turn it on. If possible (in our case not), select the color for displaying notifications from this application.

To change the color of the indication of calls, messages and notifications from the device, you need to go to the “Indicator Light” section (again, it is not available on all models!) and under the functions of turning on the LED, select the desired color for each of the categories.

LED Control keywords

in the name and expand the capabilities of the gadget.

Setting the notification light color on Android

Android users love this operating system for its convenience and the ability to customize numerous parameters, which is the first thing a new smartphone owner does.

To make using a mobile device as comfortable as possible, in addition to organizing your own environment on the desktop and downloading the necessary applications, many people set a ringtone for each group of contacts or individual numbers to identify the subscriber without having to look into the phone. What about customizing LED colors for message alerts from selected apps or even individual contacts?

Modern smartphones are equipped with LED lights that provide additional signals.

As one of the notification system tools, the front LED indicator creates a light that lights up at the top of the device screen in a certain color, thereby reporting an incoming message, missed call, low battery charge, etc.

Almost all smartphones have a multi-color indicator light, but there are also models that do not have this advantage. At the same time, some devices, through settings, allow you to associate colors with selected applications, and for those that do not offer this feature, the issue is resolved using third-party software.

Indicator colors and explanation

Each color represents a specific event or state of the phone, which allows you to visually determine which notification has arrived. At the same time, different models of mobile devices support their own color palette of the LED indicator.

Typically, the colors of the device status indicator mean:

Red - indicates a deep discharge of the battery (less than 10%), if the light also blinks, this indicates a critically low charge level (less than 4%).
Orange, yellow - during current charging, means that the battery is 10-90% full.
Green – indicates a sufficient charge level of more than 90%, the device can be removed from charging.

White, blue and purple LEDs usually notify the device owner about new events (SMS, calls, messages from instant messengers or other applications, etc.). Messages and missed calls can also be indicated by a flashing green indicator.

The phone's built-in LED display can be customized to associate certain colors with specific apps and adjust the speed and frequency of the flicker, but often the device's LED indicator light is limited to turning on and off only, requiring you to download special software.

Why configure the LED indicator

It is not necessary to configure the indicator, but at the same time, setting the LED reaction to selected events allows you not only to track messages and missed calls without the need to activate the display, but also to be aware of what type of notification has been received. The phone may be in silent mode, while you only need to look at the device to know about the event. If you change the color at your discretion, it will be easier to determine the type of notifications.

How to change the indicator color

Some Android smartphone manufacturers provide users with the ability to change the color of the indicator for various notifications in the device settings. Well, owners of devices that do not provide configuration will have to download a special application for this purpose.

Let's look at where the indication turns on and how to change the color of the notification indicator using the example of Honor and Huawei mobile devices.

To turn on the LED indication:

Let's go to the device settings.
Go to the “Applications and Notifications” section.
Open the “Notifications and status bar” tab and activate the “Indicator flashing” item by moving the toggle switch to the active position.

To set the indicator light for notifications from instant messengers:

We launch the application and go to its settings, for which we click the three dots on the right at the top of the screen and select the appropriate section.
Open the item related to notifications and configure the light in notifications from chats and groups. Now, when messages arrive from the application, the indicator will light up in the selected color. If the smartphone does not support this color scheme, the default white will be used.

These steps will have to be repeated for each application from which you want to receive notification signals in the form of a blinking indicator in a certain color.

On certain Xiaomi models, you can also customize the display using standard system tools:

In the smartphone settings, in the “System and device” block, select the “Advanced” section.
Click on the “Indicator light” item.
You can now select the color of the indicator for notifications, messages and calls from the menu.
Click on each option and select the desired color.

LED indicator settings in different smartphone models may differ or be absent altogether. If the manufacturer did not bother to include them in the menu, software from Google Play will come to the rescue. Let's look at how to change the color of the display using popular utilities available in the official Android application store.

Light Manager

An application for Android devices that allows you to easily configure the operation of the LED indicator, for which you will need to provide the software with the necessary permissions. A request to access notifications will appear the first time you launch the utility. To configure the display using the software, perform the following steps:

Install Light Manager from Google Play in the standard way.
We launch the utility and when a request to access your alerts appears, click on the message, then select the Light Manager checkbox.
We return to the utility interface to configure the reaction of the LED flashlight.
All settings here are divided into categories, which allows you to change the color and blinking pattern of the light bulb for any of the selected events in the list. Scroll down the list to configure settings for individual notifications. If there is no color next to the application, this means that it is not configured; the configuration is performed by clicking.

The utility allows you to change the LED indicator settings for various events:

Missed calls, SMS.
Email notifications.
Calendar reminders.
. . WhatsApp.
Low battery level, critical discharge.
Connecting the charger.
No signal.
Enable data transfer and other events.

Method 1 using the Light Flow Lite program

Light Flow Lite is a free version of one of the most popular LED control applications.

In the free version, you can change the color of the LEDs for the most important functions of your phone, while the paid version supports up to 600 different tools.

After launching the application, a message about Light Flow permission will appear. You must allow the app to read your notifications - click Yes.

After returning to the main app screen, open to Notifications. There you will see a list of different events and applications that display the notification.

In the free version you can change the color of the LEDs, among other things:

missed calls;
incoming calls;
unread SMS and MMS;
Hangout notifications;
calendar reminders"
Email;
low battery level.

After selecting the setting type, the notification will be divided into several tabs. You can enable/disable “Notification” and activate the screen backlight. There you will have several pre-made colors, as well as the ability to set your own color.

What is LED in a smartphone? How to turn on the indicator light on Samsung phones

Does not allow you to directly turn on/off the LED indicator or camera flash; some phones have this option.

How to programmatically blink multi-colored lights, how to write your own “Flashlight” or what other device LEDs can be controlled - you will learn about this below.

It all started when, while exploring the file system of my HTC Desire using ES Explorer, I accidentally came across interesting directories: /sys/class/leds/blue, /sys/class/leds/flashlight, etc. What else is blue?! I only saw an orange and green indicator. But the most interesting thing is that inside these directories there was a brightness file with write permission! Which I immediately took advantage of.

In fact, this is not a simple file, but an interface for working with an LED driver. So, by writing a positive number to the file /sys/class/leds/blue/brightness, we will turn on the blue indicator on the phone’s body; by writing 0, we will turn it off. Similarly with the amber and green indicators. By turning on two LEDs together, we get new colors: amber + blue = purple; green + blue = aqua.

Method No. 1 - using the Light Flow Lite program

Light Flow Lite is a free version of one of the most popular LED control applications.

In the free version, you can change the color of the LEDs for the most important functions of your phone, while the paid version supports up to 600 different tools.

After launching the application, a message about Light Flow permission will appear. You must allow the app to read your notifications - click Yes.

After returning to the main app screen, open to Notifications. There you will see a list of different events and applications that display the notification.

In the free version you can change the color of the LEDs, among other things:

missed calls;
incoming calls;
unread SMS and MMS;
Hangout notifications;
calendar reminders"
Email;
low battery level.

NOTE: Light Flow Lite may not work on all devices. If you have problems with this, it's worth taking a look at setting it up. There, find “Direct Mode”, which, when activated, takes over control of the LED. It's also a good idea to allow root privileges (superuser if you have them) to resolve compatibility issues.

Method number 2 - Light Manager

Slightly less popular app, but I think it can do a better job than the one above (works great with Samsung).

Light Manager is first of all completely free and does not limit settings - you can change the color for each application and add any element to the list of unique colors.

Only you have to give permission to the app to read notifications. To do this, go to Settings > Security > Notification Access. On the next screen, select "Light Manager."

Now you can turn on the program and configure additional settings (for example, to automatically launch when you turn on the phone).

Moving below you will find a list of different notifications and applications, and next to each of them a unique color (if you don’t see a color, it means that the default colors are used or not configured).

To change the color, simply touch the notification with your finger and set a different color. You can also turn off the notification completely by unchecking the checkbox in the appropriate place.

NOTE: If you have CyanogenMod, you don't need to install anything. The system has a built-in option that allows you to control colors and effects. Good luck.

Display symbols on scoreboards, electronic clocks and much more. An LED indicator is a simple design that displays alphabetic or symbolic characters. Structurally, it is an assembly of LEDs, where each element is illuminated by a sign-segment indicator.

Design features and types

LED indicators consist of integrated circuits that display various information. The operating voltage ranges from 2V to 8V. They can be:

Segmental; - Matrix; - Linear scale;

— Single

Source: https://cena5.ru/chto-takoe-led-v-smartfone-kak-vklyuchat-svetovoi-indikator-na-telefonah-samsung.html

Circuit operation

I’ll briefly tell you about the purposes of the parts. Using R2 we adjust the input signal level. Through capacitor C1, the signal goes to the base of transistor VT1, which serves as an amplifier. Resistor R3 sets the bias to the base of the transistor. Then the amplified signal “comes” through capacitor C2 to diodes VD1 and VD2.

The negative signal goes to the minus, the positive signal to the 5th leg of the microcircuit. C3 and R4 serve as a filter. The higher the voltage on leg 5, the more LEDs light up. By the way, if you short pin 9 to positive, the LEDs will light up linearly. In the video you can see how this thing works.

What is a led indicator in a phone?

Not all Samsung phones, such as Galaxy a5, a3 2021, j5, j3, j7, a7, j2, a5 2021, j1, Ji 7 (not necessarily the a series) are equipped with a built-in indicator light function, but instead you can use a flash, which will notify you of an incoming call.

How to enable it depends more on the version of Android installed in them, for example, inclusion in 4.3, which is discussed below, differs from the new versions 5.0 or 6.0

If the indicator light is turned on, the phone will tell you about some events that happened to it.

To enable it, go to the menu and open settings. Then go to “My Device” and select the “Indicator” section.

I won’t describe how to set up the light indicator. There, just check the boxes next to the functions you need.

How to turn on the indicator light on Samsung phones with the latest versions of Android

The light signal is a convenience for people with hearing impairments, and is also a convenient solution when using the phone in dark places.

Even if someone sends you a message, the phone will notify you with a signal.

In order to enable, for example, 6.0.1 in Android, we also go to the settings, but select “Special Features”.

Then “Hearing” and move the slider to the right opposite the “Flash notification” line.

How else can you turn on the indicator light on a Samsung phone?

There are apps that can help you customize notifications the way you want.

From audio and vibration to color notifications. To do this, you can use the NoLED widget.

By the way, very few people know that notices can be made in different colors (different colors for different notices). How

Also quite a good application is “Light flow”. It controls the indicator light perfectly

You do not need root rights, although you can configure the display sequence yourself.

You can also customize priority and color and change settings to save battery power.

As for all the possibilities, it depends on your Samsung phone, since not all support the entire color palette (some 5 colors, and some only 3).

Also, not all Samsungs support this mode when the screen is off and do not keep the indicator constantly on. In some cases, it may simply glow rather than flicker. Good luck.

Light Manager

. The moment you receive an email or message, your phone will try to attract your attention using its built-in indicator. But by the flickering of the LED, you will never determine what exact event occurred, and you will still have to pick it up. Until you install Light Manager.

Light Manager is a program for Android that will help you configure the LED indicator of your gadget. With this application, you will teach it to react with different colors to certain events, for example, when a new message arrives on WhatsApp or an event from your calendar.

By default, the program already contains a number of settings for the most popular events. But you can delete signals that are irrelevant to you at any time and add what you need. To do this, simply touch the desired element and you will be taken to the notification settings menu. Here you can set the blinking frequency, select the color of the LED and immediately check the settings you have set in action.

If the program from which you want to receive notifications is not in the list, you can add it yourself. To do this, switch to the Light Manager alternative operating mode, and then select “Add application”. You will see a list of all programs installed on your smartphone. Select the app you want and add an LED notification for it.

Please note that Light Manager can report not only program events, but also various system events. For example, the app can notify you when your battery is low, there's no network signal, or you've turned on quiet mode. It would also be a good idea to look into the advanced settings of the program, where you can set the frequency of the signal flickering, enable sleep mode (the time of day when Light Manager will not disturb you) and change the time for automatic shutdown of LED activity.

Setting up the LED indicator for notifications about various events

Download the Light Manager app for Android

you can follow the link below.

Developer: MC Koo
Platform: Android (Depends on the device) Interface language: Russian (RUS) Status: Full (Full version) Root: Not needed
I was in an electronics store the other day. Sometimes various used radio components appear in it at a low price. This time I saw the microcircuit, since it cost a penny, I bought it without hesitation. I decided to make a simple mono signal indicator. Why mono and not stereo? Because there is only one chip. I’ll finish the second channel later...

Having printed the circuit using a laser printer on glossy paper, we begin to transfer the toner (ink) to the board. We do this as follows: we place the paper on a board that has been well sanded and run it over the board with a heated iron for 10 minutes. We wait until the board cools down and carefully remove the paper under hot water. It should look like this:

Then we etch the board in ferric chloride. After about an hour, my board was completely etched. Using a solvent, we get rid of the paint and use sandpaper to give the board a more rectangular appearance.

We're making payment. Then we start soldering the parts. First I soldered the chip. After the LEDs, and then the rest of the parts. Photo of the fully finished board:

Circuit operation

Receive notifications when the screen is off

Let's say you have your phone lying on the table, or you just pulled it out of your pocket, and the screen is turned off.

What happens when you turn it on? It's a text message, a missed call, low battery, a new email, or a calendar reminder.

If you have an LED indicator, it will blink even when the screen is off, and you will know that your phone has something to say.

The Light Flow app allows you to set different LED colors for different notifications.

It can be yellow when you have a missed call, green light when you have a text message, blue light when you have a new email, and red light when the phone is low and needs to be charged.

You can control all types. Light Flow supports notifications from over 550 different apps.

Features of the built-in LED in Android smartphones

A small flashlight (LED indicator) is usually located on the top front of the smartphone. Depending on what kind of notification was received (phone call, SMS, email, low battery message, news alert, calendar reminder, all kinds of Viber, Twitter, WhatsApp, Telegram, Facebook, etc.), Changing the color of the configured indicator allows you to visually determine its source. Moreover, each type of notification can have a personal color.

Smart phones are either endowed with extensive options for controlling the LED indicator, or are limited to turning it on and off. In the second case, installation of a supporting application is required.

Is the notification indicator important to you?

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It happens that you communicate with other people and find out that some functions in a smartphone that are completely insignificant for you can be very important for someone else. One such feature is an indicator light.

I myself hardly pay attention to this function, there is an indicator - good, no - and God be with it. What is this connected with? The fact is that manufacturers have almost stopped installing high-quality large light indicators in smartphones; it’s just some kind of nightmare. Instead of a large, clearly visible “circle”, as was the case in the Samsung Galaxy S3, they install tiny, barely visible “dots” that you can barely see in the dark.

Another problem with the indicator light is how it reacts to all app notifications. It happens that some uninformative message has arrived, for example, information that applications from Google Play are ready for updating or have already been updated, but the indicator is still blinking. My smartphone is always next to my computer, so the constantly flashing LED is quite annoying.

Or let's take another example: you put the device on charge at night and go to bed. Of course, in a dark room the indicator will glow red or green! Of course, you can install the Flow application and try to configure its operation yourself, but, according to reviews from my friends, this program does not work correctly on all smartphones.

But my opinion is not shared by all users, for example, my friend, on the contrary, really appreciates the presence of the indicator, says that many notifications come in a day, he does not always record them, and when he sees a flashing diode, he immediately understands that there is a missed message or call.

What do you think about this small but important element in a smartphone? Is its presence critical or, on the contrary, do you try to turn it off whenever possible? By the way, among the interesting solutions regarding the indicator, I can cite the example of Umi IRON Pro, in which this element was moved down

How to Activate the Notification Light Using Always On Edge on Samsung Galaxy S10 Plus

Always on Edg

Step 2 When you open the app, you can see a list of settings from which you can select the notification LED you want.

note

It's important to remember that you need to grant the necessary permissions for the app to work. Step 3 Below you can see a list of alternatives with this in-app notification light

The list is quite broad, but the following can be highlighted:

Step 3 Below you can see a list of alternatives with this notification light in the app. The list is quite broad, but the following can be highlighted:

Put Led on camera or screen

With this option, you can choose whether the notification light will be around the screen or in the camera slot.

Change notification style

You can choose between different existing Led modalities, so the design style can be different

It is important to emphasize that the appearance can be changed in space or angles

Change LED notification color

This alternative is quite dynamic and fun since it allows us to choose the color of the LED lighting, here you can choose from a varied palette of colors to be able to customize up to 3 of these colors. With this tool you can edit and control the speed or thickness of edges.

Select when the LED will turn on

With this option we can decide when we want the indicator to be on, that is, we can choose, for example, not to show the indicator while the phone is charging or to only turn on when a notification is received. Even if we like it practical, we can set it to automatic mode so that it turns on the light when the device is locked.

With these two procedures, you can activate the notification LED all over the screen or around the camera notch of your Samsung Galaxy S10 Plus device.

What is LED indicator

Even with the simplest work in electrical circuits on the farm, a voltage indicator is useful - a device that shows the presence or absence of electric current and voltage in networks from to depending on the device. The expediency of its use is dictated primarily by the fact that the electric current cannot be seen with the eyes - its presence can only be judged by whether the device plugged into the outlet is working or not. The main function that the voltage indicator should perform is checking the integrity of the electrical circuit - this is what determines whether the device plugged into the outlet will work or not.

G4 LED notifications

Manufacturers often equip gadgets with an LED indicator - an LED that creates additional signals for notifications. Alas, it is impossible to associate the colors of this light bulb with the selected programs on most devices. But the situation can be easily changed using a third-party application. It allows you to associate different indicator colors with notifications from selected applications or even individual contacts. After closing the introductory tips, swipe the navigation bar from the left edge of the screen. After this, you will see a list of four types of events.

The first is From an outstanding notification - special notifications that, for example, contain the specified text or come from selected groups in instant messengers. The second type is For an installed application - notifications from specific applications. The third From system event, battery... - from system services. And the fourth type is Contact specific notifications - notifications from selected contacts.

Click on each event type in turn. Lists of programs, contacts and system services will appear on the screen. Mark those for which the indicator should respond with special colors.

Open it and customize the color, frequency, and duration of the notification light for notifications from each app, service, or contact you add here.

To do this, use the round colored icons. Using the adjacent icons, you can also customize the vibration type and notification sound. When you select any new event, the program will show video advertising. You can't skip it, but you can purchase the paid version of Light Flow Lite. It doesn't bother you with videos, it supports settings and some events that are not available in the free version. How to customize LED colors for different Android device notifications.

Get the best by email. Maxim Volotsky. Select the events to which the LED indicator will react. Having closed the introductory prompts, swipe out the navigation bar from the left edge of the screen. Download QR Code. Light Flow Legacy :Led Control. Developer: Reactle.

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Features of light indication in different Xiaomi models

As we noted above, the function of choosing different colors is not present in the entire model range of the brand. Budget options most often lack it and only have a white indicator for notifications and battery charging with the ability to turn it off. This, for example, is our faithful model for photo instructions Xiaomi Redmi 4X

and
Xiaomi Redmi 6
.

And models such as Xiaomi Redmi 5 Plus or Xiaomi Redmi 6 have a rich color palette. The notification indicator of Xiaomi Redmi 5 also has different colors, but there are slightly fewer of them.

Now you know what the indicator light is for and how to turn it on on different models of modern Xiaomi phones. We hope that our article was useful to you!

The instructions in this article are illustrated using Xiaomi Redmi 4X

Please note that on other devices other names of graphs and windows are possible (see text instructions)

This also explains the lack of choice of colors for display.

Most new smartphones and tablets have built-in LED lights that alert you to new notifications.

Only a few people know that the color can be changed and set unique for each notification.

Depending on the manufacturer, your Android phone may be equipped with options to control the LEDs.

In most cases, they allow you to do only basic management - disable or enable and configure basic parameters.

Luckily, there are several other ways to control LEDs, with the help of enthusiast apps.

In this guide, I will provide you with two options, or rather two applications - decide for yourself which one to choose.

How to set up the notification indicator on Android through the engineering menu

kak-nastroit-indikator-uvedomlenii-na-android-cherez-inzhenernoe-meniu.zip

How do you turn on the indicator on 3? S decided not to turn on the notification LED. For a long time, W did not have a properly established notification system, and with the release of W 10.L Notification indicator for VK, S, V, WA, etc. In this manual, we will tell you how to set up and use the Notification Center in OS 7 on P. The topic has already been written here: turn off all the indicator notification checkboxes, reboot the phone, then turn on all the checkboxes and reboot again. SG J7 does not have a notification indicator on the front panel, only a photo flash on the back. How to set the indicator to. You cannot associate LED colors with notifications from specific applications on most devices. How to configure it flexibly. Here you can configure everything. Open on Android S Settings, then Accessibility, then Hearing and Flash Notification, to activate the function, tap the switch. When new notifications are received, the indicator starts blinking. By default the indicator reports. Only the most will be shown in the notification icons. Lights up only when the screen is on. There you can enable it and configure it

newslav.ru

How to turn on the indicator light on Honor and Huawei

Many users ask the question: how to turn on the indicator on Honor and Huawei? Step-by-step instructions will help you answer it:

go to the general settings of your phone or tablet;
We are looking for the “Applications and notifications” section;
go down and open the status bar item;
there will be a line “Blinking”;
in it the slider must be switched to the active state.

How to turn on the microphone on an Honor and Huawei phone

If blinking is active, the slider will be highlighted in a bright color. If turned off, it glows dim gray.

Now, when receiving messages or missed calls, the LED sensor will blink green. If the phone is low, the device will indicate this in red. When power is connected, the orange sensor will light up.

Where is the notification indicator?

On some phones, like the Nexus One, it's in the trackball. In other phones, they are located under the glass in front of the top of the phone.

For more efficient color management, you can try Blink. With this application you can control the colors of SMS and MMS LEDs, the color of incoming/missed calls and several system notifications.

I find the LED indicator very useful. You have a phone with such a function - then quickly activate it, it is by no means secondary. Good luck.

Light Manager

The moment you receive an email or message, your phone will try to attract your attention using its built-in indicator. But by the flickering of the LED, you will never determine what exact event occurred, and you will still have to pick it up

Until you install Light Manager.

If the program from which you want to receive notifications is not in the list, you can add it yourself. To do this, switch to the Light Manager alternative operating mode, and then select “Add application”. You will see a list of all programs installed on your smartphone. Select the app you want and add an LED notification for it.

Please note that Light Manager can report not only program events, but also various system events. For example, the application can notify you when the battery is low, there is no network signal, or quiet mode is turned on

It would also be a good idea to look into the advanced settings of the program, where you can set the frequency of the signal flickering, enable sleep mode (the time of day when Light Manager will not disturb you) and change the time for automatic shutdown of LED activity.

Setting up the LED indicator for notifications about various events

Developer: MC Koo
Platform: Android (Depends on the device) Interface language: Russian (RUS) Status: Full (Full version) Root: Not needed
Most new smartphones and tablets have built-in LED lights that indicate new notifications.

Only a few people know that the color can be changed and set unique for each notification.

Depending on the manufacturer, your Android phone may be equipped with options to control the LEDs.

In most cases, they allow you to do only basic management - disable or enable and configure basic parameters.

Luckily, there are several other ways to control LEDs, with the help of enthusiast apps.

In this guide, I will provide you with two options, or rather two applications - decide for yourself which one to choose.

How to enable or disable the indicator

So, if the user is irritated by a specific application, we wait for the next light notification to appear, unlock the smartphone and drag our finger across the display from the top edge. When the list of recent events appears, look for the “Notification settings” line at the bottom and tap on it. After that, disable the function for the application on the Galaxy.

How to connect digital television to a Samsung TV without a set-top box

Not all Samsung models have this convenient functionality, so if you don’t have the “Notification Settings” line, follow other instructions:

Let's go to the catalogue.
Tap on “Settings”.
We are looking for the “Notifications” tab in the Samsung settings menu.

The window that opens contains a list of all installed applications that have notifications enabled or provided. Opposite each item on the list there are switches that serve to enable or disable the function. To change parameters and move the slider, just touch it. Thus, Samsung owners can customize the smartphone for themselves, changing the standard settings, adding indications for important applications. This simple method of turning on the indicator on Samsung also works in the opposite direction, allowing you to remove annoying and distracting signals from the functionality of the device.