Modern smartphones strive to maximize the use of display area, which often leads to activating full-screen mode by default. Users accustomed to classic navigation buttons or dissatisfied with the way applications stretch onto elongated screens are often looking for a way to return the familiar interface look. The problem is relevant for owners of devices from Samsung, Xiaomi and other manufacturers that use their own shells on top Android.

Disabling full-screen mode may be required not only for comfort, but also for the correct operation of some older applications that are not adapted to modern resolutions. In this article we will analyze all aspects: from system navigation settings to hidden engineering menus that allow you to control Immersive Mode. You'll learn how to safely change display settings without losing warranty or system stability.

It's worth understanding that manufacturer terminology may vary: what one brand calls "full screen mode," another calls "immersive mode" or "hiding the navigation bar." We will cover all variations of settings so that you can find a solution specifically for your model smartphone. Follow the instructions carefully, as some methods require activating developer mode.

The difference between full-screen mode and gesture navigation

Before making changes to the system, you need to clearly understand what exactly you want to disable. Users often confuse full-screen application mode with system navigation. The first refers to the state when the application hides the status bar and control buttons, occupying 100% of the matrix area. The second concerns the way you interact with the interface operating system in general.

Gesture navigation is a modern alternative to the three classic buttons at the bottom of the screen (Back, Home, Menu). When activated, the bottom bar disappears, creating the illusion of a full screen even on the desktop. If your goal is to return visible buttons, you need to change the navigation settings, and not look for options for displaying content.

On the other hand, if you are annoyed that videos or games are stretched, cutting off important interface elements, or the status bar with clock and battery disappears in regular applications, then we are talking about system limitations of full-screen mode. Android allows you to flexibly configure both of these parameter, but they are located in different sections of the menu.

📊 What exactly do you want to change?
Return the navigation buttons
Remove stretching in games
Hide the status bar
Return the black bars sides

Disabling full-screen navigation and returning buttons

The most common scenario is that the user wants to give up swipe controls and return the familiar buttons at the bottom of the screen. This process does not require root access and is available in the standard settings menu of almost any modern Androidsmartphone. Changes take effect instantly after switching the toggle switch.

First, go to the main settings of your device. Find the section responsible for the display or system. Depending on the version Android and the manufacturer’s shell, the path may differ slightly, but the logic remains the same: we are looking for an item related to navigation control.

Select the “Buttons” or “3 buttons” option to deactivate gestures. This action will immediately return the bottom control panel. If you are using a device Samsung, Xiaomi or Honor, the names of the items may vary, so use the search in the settings.

  • 📱 Open “Settings” and go to the “System” or “Display” section.
  • 🔍 Find the item “Navigation”, “System” navigation" or "Controls".
  • ✅ Select the "Buttons" mode instead of "Gestures" or "Full-screen controls".
  • 🔄 If necessary, customize the order of the buttons (for example, the Back button on the left or right).

☑️ Checking the settings navigation

Done: 0 / 1

It is important to note that on some devices with very elongated screens, returning the buttons can visually reduce the usable screen area at the bottom parts. This is normal system behavior because it interface must reserve space for controls. If space is critical, consider using floating buttons if such an option is supported by your firmware.

Setting applications to display on the entire screen

In situations where a particular application is not displayed correctly on the screen with a notch or “bangs”, or, conversely, does not occupy the entire available area, leaving black bars is necessary tamper with the display settings for a specific application. Android 10 and newer versions allow you to force full-screen mode on or off for each installed software.

This feature is especially useful for older games or apps that have not been updated by the developers to support modern resolutions. You can force the system to ignore the camera cutout or, conversely, prevent the application from covering important interface elements with the status bar.

To access these settings, you will need to go to the advanced options menu. Here you will see a list of all installed apps. Find the application you want and change its display mode. This decision is local and does not affect the operation of other apps in the system.

Why do applications stretch?

Modern screens have an aspect ratio of 20:9 or more, while older applications were created for the 16:9 standard. The system tries to scale the content, which sometimes leads to distortion or cropping of the interface. Forcing a display mode change causes the application to run at its original resolution with black margins or stretched, ignoring cutouts.

Keep in mind that not all applications respond correctly to forced rescaling. Some games may move the control buttons beyond the visible area, making gameplay impossible. In such cases, it is better to leave the default settings or try compatibility mode, if it is available in the developer menu.

Using Developer Mode to control Immersive Mode

For advanced users for whom the standard settings are not enough, Android offers a hidden developer mode. Here you can find options that allow you to force enable or disable full-screen mode (Immersive Mode) for all applications at once or selectively. This is a powerful tool that requires caution.

To activate Developer Mode, go to About Phone and quickly tap 7 times on the build number. After this, a new section “For Developers” will appear in the settings menu. Inside it you need to find an item related to full-screen mode.

The option may be called “Force full-screen mode” or “Allow immersive mode”. Enabling this switch will cause all applications to hide system bars, even if they are not programmed to do so. This can be useful for creating kiosks or demo modes, but is inconvenient for everyday use.

adb shell settings put global policy_control immersive.full=*

adb shell settings put global policy_control immersive.status=*

adb shell settings put global policy_control immersive.navigation=*

You can also use commands adb for more fine-tuning, as shown in the example above. These commands allow you to control the status bar and navigation bar separately. However, use ADB requires connection to a computer and the availability of appropriate drivers.

💡

Before changing settings in developer mode, take a screenshot of the current settings or write them down. This will help quickly return everything to the way it was if the system starts to behave unstable.

Specific settings on different Android shells

Smartphone manufacturers often make their own changes to the interface Android, which leads to differences in the location of the settings. Understanding the features of your shell (MIUI, One UI, ColorOS) will help you quickly find the right switch and remove unnecessary interface elements.

On devices Samsung with the One UI shell, navigation settings are located deep in the menu, and managing screen cutouts may require using the Good Lock application. Owners Xiaomi i Redmi should pay attention to the “Advanced Settings” section, where full-screen mode switches for individual applications are often hidden.

Below is a table that helps you navigate the paths to settings on popular shells. The data is relevant for the latest firmware versions, but may vary slightly depending on the model.

Shell / Brand Path to navigation settings Features
Samsung (One UI) Display → Navigation panel Requires Good Lock for fine tuning
Xiaomi (MIUI/HyperOS) Advanced settings → Full screen mode Separate settings for each application
Honor / Huawei System → Navigation There is a “Smooth” mode moving"
Pure Android (Pixel) System → Gestures Minimalistic settings interface

⚠️ Attention: Shell interfaces are constantly being updated. If you do not find an exact match of the path, use the search in the settings by entering “navigation” or “full screen”.

Solving problems with black bars and scaling

A common problem after updating the system or installing a new application is the appearance of black bars on the sides of the screen or at the top/bottom. This occurs when the application is running in compatibility mode and is not using the entire display area. You can remove this through the settings of a specific application.

Go to settings, select “Applications”, find the problematic app and open the “Advanced” or “Display” section. There should be a switch for "Full Screen Mode" or "Aspect Ratio". Turn it on so that the application stretches across the entire screen.

If standard means cannot remove stripes, you can use third-party utilities from Google Playthat control parameters DPI and screen resolution. However, this requires caution, as incorrect values can make the interface unreadable.

  • 📉 Black bars often appear in applications that have not received updates for a long time.
  • 🛠 Using third-party launchers may conflict with system screen settings.
  • 🔄 Rebooting the device sometimes resets erroneous settings scaling.
💡

Most display problems are solved not by resetting the settings, but by individual configuration of each application in the system menu.

Frequently asked questions (FAQ)

Why did navigation buttons disappear after an Android update?

After major system updates, navigation settings often disappear are reset to default values, which on new devices involve using gestures. You need to manually switch back to the buttons in the “System” or “Display” section.

Is it possible to completely remove the cutout (notch) under the camera programmatically?

You cannot hide the physical cutout, but you can programmatically hide the area around it, creating the illusion of a black stripe at the top. This is done through the screen settings (“Hide the cutout”) or using third-party themes.

Does full-screen mode affect battery life?

The display mode itself does not affect power consumption. However, if full-screen mode forces the processor to render more pixels in games or applications, power consumption may increase slightly.

How to reset all screen settings to factory settings?

You can reset display settings through the "Backup and Reset" -> "Reset" menu. Please note that this will only return the system settings to their original state without deleting your personal data, but it is better to make a backup copy.