The screen brightness on the phone changes itself
The third option is recommended to use if the previous ones did not work. Usually this problem occurs after updating the MIUI firmware and changing the name of the categories. To disable automatic brightness adjustment:
- go to “Settings” and click on the line “Search settings”;
- enter the word “Auto” and from the presented options select “Auto-tuning”;
- deactivate the checkbox opposite the option.
If after the above actions, the brightness of Xiaomi continues to change automatically, most likely there is a failure in the system, and service is required.
The second method is used on Xiaomi if there is no “Auto Brightness” button in the top panel. To solve the problem:
- go to “Settings” and scroll to the category “Personalization”;
- select “Screen” and click on the line “Brightness”;
- deactivate the checkbox opposite the “Auto-tuning”.
You can enable the option in the same way.
Causes of this malfunction
The most common problem due to which the brightness of the display backlight changes without user intervention or does not change at all occurs for the following reasons:
- incorrect display settings,
- malfunction of the lighting module,
- malfunction of the phone or tablet itself.
We will describe below how to eliminate the first cause. As for the other two reasons, qualified specialists should deal with them. Therefore, if you know that before the brightness module malfunctioned, the phone fell or was subjected to other mechanical stress, it is better to immediately contact the nearest service center.
Helpful hints for Android OS, Android OS. For what reasons, the brightness of the display can change independently?
The reasons why the display brightness on an Android phone is adjusted without a user command can be as follows:
- incorrect display setting,
- light sensor problems,
- mechanical damage to the phone.
How to fix this problem
Before you start digging into the software and downloading applications, you need to check the brightness settings in the Settings menu. You may have adjusted the brightness for different types of applications, such as games and readers. Some phones that hold a charge for a long time have a “Power Saving” feature that allows the phone or tablet to dim when the battery is low.
If the parameters are set at the factory level, then you need to make a manual setting. To do this, proceed according to the following aLGorithm:
- go to the “Settings” device,
- select the “Display” section,
- go to the subsection “Brightness”,
- move the slider to the desired level.
This can also be done by lowering the shutter with switches or by swiping across the status bar. In this way, it is convenient to adjust the brightness while outdoors in bright sunlight or in a dark room.
As mentioned above, many modern models from Samsung, iPhone or other brands are equipped with an automatic brightness control function. This means that their module is able to independently determine the degree of illumination of the premises and in accordance with this set the desired brightness level. But knowing some of the tricks of setting up Android, you can make your smartphone even more convenient.
How to set up screen sleep on Android
This option is responsible for the time after which the screen of your smartphone will go out.
- Go to Settings. Display. Sleep.
- Choose the time you need (30 sec, 1 min, 10 min, etc.).
We calibrate the light sensor for the correct operation of “Auto brightness
Probably many iPhone and iPad users have noticed the incorrect operation of the auto brightness of the screen on their devices. When the lighting was changed, the screen brightness either did not change, or changed, but not in accordance with the environment, was too bright or dim.
Most of the people who paid attention to this thought the light sensor was defective, fortunately it is not. In previous versions of iOS, this sensor worked automatically, adjusting according to pre-programmed parameters, but after iOS 6, users have the opportunity to calibrate the light sensor on their device.
- You will need any dark place or bright light source (in sunny weather, this can be done outside);
- Open the settings menu on your device and go to the “Wallpaper and brightness” section;
- Turn off the “Auto Brightness” toggle switch;
- Now, if you have chosen a dark place, drag the brightness adjustment slider to the left, to the minimum level, and vice versa, drag the slider to the right to the maximum, bringing the screen as close to the light source as possible;
- That’s it, the light sensor is “trained”, without changing the location of the smartphone, you can turn on “Auto brightness”.
Calibration is over, it’s time to test. Exit the settings menu and change the lighting around you, you can SIMply cover the sensor with your hand. You will see how the brightness of the screen changes depending on the intensity of the light falling on the phone. By the way, starting with iOS 6, automatic brightness adjustment works on the lock screen too.
If you notice that the automatic screen brightness adjustment does not work on your iPhone, do not rush to carry it to a service center or change it under warranty, try the procedure described above, in most cases this should help.
If you didn’t find the answer to your question, or something didn’t work out for you, and there is no suitable solution in the comments below, ask your question through our help form. It’s fast, SIMple, convenient and does not require registration. You will find answers to your own and other questions in this section.
How to adjust the display brightness on an Android smartphone
How many times have you encountered a situation when, being on the street, you could not distinguish absolutely nothing on the screen of your smartphone due to the incorrect setting of its brightness? It’s time to fix this problem once and for all.!
That is why today we decided to prepare a tutorial for you, which will discuss how to take control of all the parameters of the screen of your smartphone.
How to reduce screen brightness as much as possible?
Lower the screen brightness to the minimum level using the standard tool. Now click on the Screen Filter icon. The brightness should drop even lower. If the brightness has dropped too much or not enough, swipe down from the top of the screen and go to the menu with Screen Filter settings.
How to adjust screen brightness in Windows 10?
Change Windows 10 screen brightness in the Settings app
- Open Windows Settings by pressing the Win I key combination or click on the gear icon in the Start menu.
- Go to “System” → “Display”.
- On the right, adjust the “Brightness Change” slider to set the desired screen backlight level.
How to make the screen on iPhone to a minimum?
- Go to “Settings” → “General” → “Universal Access”.
- Going to the “Increase” section, activate this toggle switch.
- The display will show an enlarged scale.
- Again, touch the screen with three fingers three times.
- The area with the magnifying glass will become darker.
How to minimize brightness on iPhone?
How to reduce the brightness of the iPhone screen below the minimum set by Apple:
- Open in the iOS settings section General. Accessibility. Zoom.
- Go to the Zoom area subsection and check the box next to Full screen.
- Take a step back and turn on the Zoom switch.
Why does the brightness on the phone change itself on the iPhone?
By default, the iPhone automatically adjusts the display brightness based on ambient light. For example, on the street, the smartphone sets the maximum display brightness, and in the room it lowers it. So the system takes care of the user’s vision and saves battery power at the same time.
How to increase screen brightness?
To increase the brightness of the display, press “Start”. Then select the “Control Panel” section, then “System and Security”. Then go to the “Power supply” section and change the screen brightness settings by moving the slider to the position that you need. You can change the brightness in another way.
What to do if the brightness on the phone has disappeared?
If auto brightness doesn’t work on iPhone or Samsung, try the following:
- go to the “Settings” of the smartphone;
- go to the “Display” tab;
- then select the “Brightness” section;
- move the slider to a higher or lower level.
How to turn down brightness on 11 iPhone?
Brightness adjustment in the “Settings” section
- Go to the “Settings” “Display and brightness”.
- To adjust the brightness level, drag the slider to the right or left.
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The screen brightness on the phone changes itself
The iPhone screen spontaneously dims and after a couple of minutes brightens again, which is the reason?
Most likely, the problem is in the light sensor, which is located above the display of the smartphone.
To check, go to Settings. Display and brightness and disable the Auto brightness option. After that, work with the smartphone, the arbitrary change in brightness should disappear.
When there are no such problems with the sensor turned off, the whole point is in the module breakdown, or in poor-quality smartphone repair.
If the iPhone has not been repaired recently, the light sensor could either SIMply fail, or move slightly from a fall, for example.
If the iPhone has been recently repaired, then the master could have poorly assembled or damaged the light sensor mount. Dust could get between the sensor and the glass, which interferes with the normal operation of the module.
Sometimes SIMilar problems arise after gluing a protective film or glass on the smartphone screen.
In the case of film, everything can be checked at home, if there is no protective coating on the screen, you cannot do without a trip to the service center.