How to prevent the screen from fading on Android Samsung

Every smartphone user Samsung at least once has encountered a situation where the display goes out at the most inopportune moment. This could happen while reading a long article, reviewing a recipe in the kitchen, or giving a presentation to colleagues. Standard power saving settings often work too aggressively, turning off the backlight after just 30 seconds of inactivity.

However, the operating system One UI provides ample opportunities to customize this behavior. In this article, we will look in detail at all the ways to extend the life of the screen, from simple settings in the menu to using special functions for developers. You will learn to balance between ease of use and battery consumption.

It is important to understand that constantly turning on the display significantly affects battery life and, in the case of AMOLED matrices, can lead to pixel burnout during a static image. Therefore, before changing the settings, it is worth weighing the need for such a step for your specific task.

Standard display timeout settings

The most obvious and safest way to increase screen time is in the basic system settings. The interface Samsung is intuitive, but the location of the items may vary slightly depending on the shell version. By default, the system sets the value to 30 or 60 seconds to save energy.

To change this parameter, you need to go to the settings menu and find the section responsible for the screen. Here you will see a list of available time slots. Selecting a higher value will allow the display to remain active longer without touching.

• 📱 Open the application Settings on the main screen.
• 💡 Go to Display (or Screen).
• ⏱️ Find the item Screen timeout and select the desired time.

Please note that the maximum standard value is usually limited to 10 minutes. This is intentionally done by the manufacturer to prevent accidental discharge of the device if you forget to lock the phone. For most usage scenarios, this time is enough.

⚠️ Warning: Setting the maximum time (10 minutes) with the screen brightness above 80% may cause the device body to overheat when used for a long time in the case.

The “Keep the screen on” function for developers

If the standard 10 minutes is not enough for you and you need the screen to light up constantly while charging, you should use the hidden menu for developers. This function was originally created for testing applications, but is great for using a smartphone as a desktop clock or smart home control panel.

Activating this mode requires performing several sequential actions. First, you need to unlock access to the hidden menu by pressing the number several times. assembly. After this, a new section with advanced settings will appear in the system.

Inside the developers menu, we are interested in a specific switch that prevents the system from going into sleep mode when power is connected. This ensures that the backlight does not go off while the USB cable is connected to the network.

Settings → About the device → Software information → Build number (7). times)

After activating the menu, the path to the desired function will look like this: Settings → System (or Advanced settings) → For developers. Find the option Do not turn off the screen and activate the slider. Now when you connect the charger, the display will stay on forever.

Risks of using developer mode

Activation This mode is not dangerous for the equipment, but it can lead to you forgetting to disconnect the phone from the network, which theoretically reduces the overall battery life with a constant 100% charge cycle.

Using the Smart Stay application and analogues

Technologies have stepped forward, and now the smartphone can independently determine whether you are looking at it Function Smart Stay (Smart Hold), available on many models Galaxy, uses the front camera to track the user's gaze.

As long as the camera sees your eyes, the system automatically resets the screen timer. This is very convenient when reading books or documents when your hands are busy or you just don’t want to constantly touch the display. However, it is worth considering that this function consumes additional resources. processor.

To enable this option, you need to go to the advanced functions section. If your device does not support this function natively, there are third-party applications in Google Playthat implement a similar operating algorithm, although with less optimization.

• 👁️ Go to Settings → Additional functions.
• 👀 Find the item Smart hold (Smart Stay).
• ✅ Activate the switch and test the operation by looking at the screen.

Operation efficiency depends from the lighting. In the dark or in bright backlight, the camera may lose sight and the screen will go dark, despite your efforts. Also, the function may not work if you wear glasses with strong darkness or sunglasses.

Always On Display and Daytime modes clock

Owners of devices with AMOLED matrices have a unique opportunity to use technology Always On Display (Always-on screen). Unlike the full backlight, this mode activates only a small part of the pixels to display the time and notifications.

Although this does not make the screen completely bright for reading books, it solves the problem of the display going dark in the mode. standby. You always see important information without touching the phone. Setting a schedule allows you to turn on this function only when you really need it.

You can set the display throughout the day or only at the touch of a button. This is a compromise option between completely turning off the screen and constantly lighting the backlight, which saves battery power compared to the normal mode.

Option	Description	Impact on the battery
Always on	Screen active 24/7	High
Scheduled	Only during the day (e.g. 8:00-22:00)	Medium
Touch	On only when touching	Low
Off	Complete disabling of the function	Minimum

Setting is carried out through the menu Settings → Lock screen → Always On Display. Here you can also select the clock display style and the information you want to see on a black background.

⚠️ Attention: Prolonged display of a static high-brightness image on AMOLED screens can lead to image retention (burn-in). Use dark themes and change the wallpaper periodically.

Special. applications for holding the screen

If the built-in functions are not enough, the application store offers many utilities created specifically for this task. apps such as Keep Screen On or Caffeineadd a convenient switch to the notification curtain.

The principle of their operation is simple: they emulate system activity or use the same developer rights, but in a more convenient interface. You can create a profile in which the screen does not go dark only in certain applications, for example, in a navigator or e-reader.

Using third-party software provides flexibility that is not available in standard settings. For example, you can set the “wake” mode to automatically turn on when you start YouTube and turn it off when you exit it.

When choosing an application, pay attention to the presence of advertising and requested permissions. Some utilities may require access to contacts or location, which is not necessary for a simple screen hold function. Give preference to apps that are open source or highly rated.

The impact of energy saving on screen operation time

Aggressive power saving settings are often the cause of premature screen blanking. Mode Power Saving (Energy Saver) forcibly reduces the time before the display turns off, ignoring your preferences in the standard menu.

If you notice that the timeout time has changed on its own or the slider has become inactive, check the status of the economy mode. The system can automatically turn it on when the battery level is low (usually below 15-20%).

To disable this limitation, you need to go to the battery settings and deactivate the power saving mode or configure its parameters in more detail. In the advanced mode settings, you can allow a longer timeout even with saving enabled.

• 🔋 Go to Settings → Device maintenance → Battery.
• 📉 Check the status of the mode Energy Saving.
• ⚙️ Click on the mode settings gear and adjust the screen settings.

It is also worth checking for adaptive energy saving, which learns from your habits. If the system decides that you rarely keep the screen on for a long time, it can independently limit this time to extend battery life.

⚠️ Attention: Menu interfaces and item names may differ on different Samsung models (A, S, Note series) and in different versions of One UI. If you do not find the item, use the search in the settings.

Frequently asked questions (FAQ)

Why does the screen go blank after 15 seconds, although I set it to 2 minutes?

Most likely, you have the energy saving mode turned on or the "Ultra" saving mode is active. Also check if there is a proximity sensor installed, which may erroneously trigger due to dirt or the case, thinking that the phone is near the ear.

Is it possible to make sure that the screen never goes off without charging?

This cannot be done using standard Android tools for reasons of safety and battery conservation. The maximum time is 10 minutes. To constantly turn it on without a power outlet, you need root access or special applications that emulate screen touches.

Is it harmful for a Samsung screen to keep it on all the time?

Yes, this can lead to pixel burn-in, especially on AMOLED matrices, if a static high-brightness picture is displayed. It is recommended to use screensavers with moving elements or reduce the brightness.

How to enable developer mode if the menu is hidden?

Go to Settings → About device → Software information. Quickly click on the item Number builds 7 times in a row until a message appears saying that you have become a developer.

Are timeout settings reset after a reboot?

No, the standard timeout settings are retained after a reboot. However, settings made through developer apps or third-party utilities may be reset if the app is not added to startup or excluded from battery optimization.