What happens when the phone screen suddenly dims

If the phone screen is dimmed, it is recommended:

1.Check if the battery level is low.

2.Check whether Power Saver or Super Power Saver is enabled.

3.It may be that the light sensor function of the mobile phone is turned on, it is recommended to open Settings - Display - Brightness - Uncheck the automatic check and adjust the brightness manually (some machines do not support manual brightness adjustment).

4.See if all interfaces are darkened. Some apps support night mode, if the screen is only darkened in the interface of a certain software, it is recommended to check whether the software has set night mode.

5.Check if you have installed third-party power-saving software.

6.If the above operations still do not work, it is recommended to back up important data in your phone and try to restore the machine to factory settings.

If the problem persists, please bring the machine, purchase invoice, and warranty card to the local Samsung after-sales service center for review.

Here are some things you can try:

1.To turn off the brightness auto-adjust function, you can adjust the screen brightness by pulling down the top curtain menu - remove the brightness auto-check.

2.Back up your phone's data (**thin, SMS, multi**data, etc.), and try to restore your phone to factory settings (Settings-Reset-Factory Reset).

If the problem persists, due to network limitations, it is recommended that you bring the purchase invoice and repair card to the nearest Samsung service center for testing.

Reasons for the sudden dimming of the phone screen:

1. It may be that your phone has turned on the brightness function of "Auto Adjustment", and the phone will adjust the screen brightness according to the current ambient light situation.

2. It may be that your phone's battery is less than 20% or the default value of power saving mode, and the phone will reduce the screen brightness in power saving mode.

3. It may be that the light sensor of your mobile phone is faulty, it is recommended to contact the after-sales service to check and replace the corresponding components.

Screen care: 1. Avoid static electricity.

The electrostatic electrode easily breaks through the capacitive screen.

Although the glass on the surface of the mobile phone screen has undergone a certain antistatic treatment, it does not mean that it can withstand the static electricity of the human body, and there are many friends who are used to pasting some decorations on the surface of the mobile phone or inferior screen film that is easy to produce static electricity, resulting in the failure of the screen, so I hope that the mobile phone can be equipped with a shell or holster.

2. Avoid squeezing the screen and bumping the phone.

Most of today's smartphones have large screens, and the entire front is a large screen. And now everyone generally puts the mobile phone in the pocket, which is easy to cause squeezing, so it is recommended that you should buy a protective chain and an empty sleeve for the blind mobile phone, so as to avoid the loss caused by the accidental drop of the mobile phone sometimes.

Hello dear, the sudden dimming of the phone screen is due to the following reasons:1Automatic Brightness and Degree Adjustment:

If you turn on your phone's auto-brightness feature, the screen brightness will automatically decrease when your phone's ambient brightness dims to protect your eyes and save power. 2.Low battery:

When the phone battery is low, in order to save power, the phone will reduce the screen brightness to prolong the battery life. 3.System Failure:

If your phone's system fails, it may cause the screen to dim and you need to restart your phone or do a system update to fix the problem. 4.Touch misoperation:

Sometimes, when you place your finger on the screen, you may accidentally touch the center of the screen or other shortcut keys, causing the screen to dim or perform other actions. 5.Hardware failure:

If the phone screen or display is faulty, the screen may be dimmed or completely black, and you need to go to the phone repair center for repair or replacement parts. If the screen is darkened, we recommend trying to restart your phone or update the system, and if the problem persists, you may need to visit a phone repair center for repair or replacement parts.

If you are using a vivo mobile phone, you can call out the control center and slide the brightness bar; Also go to Settings - Display & Brightness - slide the brightness bar to adjust the brightness, and you can also turn on the switch to automatically adjust the brightness.

Hello dear and happy to answer your <>

There can be a variety of reasons why your phone screen suddenly dims, and some of the common ones are listed below:1Low battery:

If your phone's battery level drops below a certain level, the system may automatically reduce the screen brightness to extend battery life. 2.Auto Brightness Adjustment:

Your phone may have auto-brightness turned on, which automatically adjusts the brightness of the screen based on how bright or dark the ambient light is. 3.Screen Saver:

If your phone is set up with a screen protector, the screen may automatically dim after a period of inactivity. 4.App Settings:

Some apps may have their own screen brightness settings, which can cause your screen to dim if you're using an app that lowers the brightness. 5.System Failure:

If your phone malfunctions, such as a broken screen or a faulty part, it can also cause the screen to dim. It is recommended that you check whether your phone has enough battery and try to adjust the screen brightness, turn off automatic brightness adjustment, and other operations.

I have helped you find the results; Hello dear. Hello, the sudden dimming of the phone screen may be caused by the following reasons:1

Low battery: When your phone's battery is too low, the screen will automatically dim or turn off to save power. 2.

Brightness setting: The screen brightness may be adjusted automatically or manually too low due to misoperation or setting issues. 3.

System issues: It may be due to a system crash or other issue that causes the screen to roll and dim. 4.

Hardware issues: The screen may be darkened due to screen light bars, wiring, or other hardware issues. Workaround:

1.Charging: If the screen is dimming due to low power, you can plug in a charger or replace the battery.

2.Adjust the brightness: You can adjust the brightness of the screen by adjusting the brightness function in the settings or by preparing for hunger with the brightness adjustment function in the shortcut menu.

3.Restart your phone: If the screen is dimming due to a system issue, you can try restarting your phone.

4.Repair: If the screen is dimmed due to a hardware issue, you may need to send your phone in for repair or a replacement screen.

Hello, there may be several reasons why the phone screen suddenly dims:1Automatically adjust brightness:

If you turn on your phone's auto-brightness, the screen brightness will automatically decrease when you go into a low-light environment or when you put your phone in your pocket or backpack, which may cause your phone's screen to dim. 2.Low battery:

When the battery of the phone is too low, it may cause the screen brightness to decrease, or even go black, to protect the remaining power. 3.Film or protective cover covering:

If you are using a mobile phone film or protective case, these materials may affect the sensor's sensing, causing misjudgment of light conditions and adjustment of brightness. 4.Software Issues:

If you have recently installed some new software and noticed that your phone's Shan Hall screen is dimmed, it is most likely due to an issue caused by these new software. Some apps may control your screen brightness in the wrong way. It is recommended that you check whether the phone is auto-bright, if so, please turn off the auto-brightness adjustment and adjust the brightness manually; In addition, please confirm that your phone's battery level is normal, and whether the film or case is blocking the sensor.

If none of the above methods can solve the problem, it is recommended that you go to a brand store or repair point for maintenance.

1. Confirm whether to turn on Automatically adjust the screen brightness.

Check to see if Auto screen brightness is turned on? If the function is turned on, the brightness of the screen will change with the intensity of the ambient light, you can enter Settings - Display and Brightness - automatically adjust the screen brightness, and turn off the function to use viewing.

2. Confirm whether the phone is hot.

When the screen brightness is automatically dimmed (the screen brightness is automatically reduced), whether the mobile phone is heated, for example, whether there are actions such as playing games that cause the mobile phone to heat up.

In order to prevent the temperature from continuing to rise, the built-in protection function of the mobile phone will automatically reduce the screen brightness to reduce the power consumption of the mobile phone, thereby reducing the heat generation and ensuring the safe use of the mobile phone.

3. Can I check whether the brightness value of the current setting of the screen is low? You can go to Settings - Display & Brightness to turn up the screen brightness to view.

4. If it is not restored, it is recommended to bring your mobile phone to the official customer service center of vivo for testing and processing, and enter the mobile phone vivo official website APP--Service--My Service--Service outlets to query the address of the nearest customer service center outlets and**.

Take Huawei P40, the system as an example, the mobile phone screen suddenly darkens because the mobile phone turns on the function of automatically adjusting the brightness, and the light sensor of the mobile phone senses that the mobile phone is in a dark light environment, and the screen will automatically darken. Here's how:

1. Open the desktop of your phone, find and click to enter the "Settings" option.

2. In the "Settings" page, find and click the "Display" option.

3. In the page that automatically pops up, find and click the "Brightness" option.

4. After tapping, you can adjust the brightness of the phone.

Take Apple 12 and ios14 as an example, the specific operation method is as follows:

1. Turn on your phone, find and tap the "Settings" option.

2. Once the Settings page opens, click on the Accessibility option in the Settings page.

3. After clicking on the "Accessibility" option, find and tap on the "Display & Text Size" option.

4. Adjust the brightness in the "Display & Text Size" page.

Your phone's brightness changes automatically, probably because you turned on the Auto-adjust brightness switch. When turned on, the phone will judge the current ambient light brightness based on the ambient light sensor on the top, and automatically adjust the screen brightness to make you feel more comfortable when using it (the screen brightness will decrease when the ambient light sensor is blocked), which is normal. You can perform the following steps:

1.Check the location of the ambient light sensor on your phone for film or foreign objects.

2.In a dim environment or a single light source environment, the ambient brightness recognized by the mobile phone is relatively low, so the system brightness adjustment is dark, and it is recommended that you manually adjust the brightness to the appropriate brightness.

3.If you want the screen brightness to remain unchanged when using your phone, please search for and go to Display & Brightness Brightness in the settings, turn off the auto-adjust switch, and adjust the screen brightness to the brightness you need. If you can't find this switch, you can click here to view it.

1. If the auto-adjustment switch is turned off, the brightness will still change automatically, please check it in combination with the corresponding scene

The brightness of the screen changes automatically during the use of the app.

1. If the screen brightness automatically brightens and darkens when you open and exit the app, it may be because:

a.The app itself adjusts the brightness of the screen. The permission of system brightness adjustment is open to third-party applications, and some applications (such as **** device, reader, payment application, etc.) can manage brightness.

b.In order to reduce the power consumption of the mobile phone, the system appropriately reduces the brightness for some application scenarios, bringing a better comprehensive experience of display and power consumption. For example, when you open apps such as WeChat, browsers, contacts, and SMS, the brightness will be automatically adjusted even if you turn off automatic brightness adjustment.

This is designed for ease of use, so please feel free to use it.

2.If your phone heats up and the screen brightness automatically dims when you use the app (such as in a gaming scenario), it is because the phone will appropriately reduce the brightness to reduce the heat to avoid the temperature being too high, and the temperature will return to normal screen brightness after the temperature is reduced. This is designed for ease of use, so please feel free to use it.

2. In a strong lighting environment, the brightness of the mobile phone screen changes automatically.

1.When the mobile phone sensor senses that the external light reaches a certain intensity, it will automatically increase the brightness of the screen to ensure that you can see the mobile phone screen clearly. This is normal, please feel free to use it.

2.To protect your eyesight, it is recommended that you avoid using your phone in bright light for long periods of time.

Summary. Hello dear, <>

I'm glad to answer for you, the reason why the phone screen suddenly darkens is: your phone has turned on the brightness function of automatic adjustment, and the phone will adjust the screen brightness according to the current ambient light situation; It may be that your phone's battery is lower than 20% or the battery saving mode default is that the phone will reduce the screen brightness in the battery saving mode; It may be that your phone's light sensor is faulty, it is recommended to contact after-sales service to check and replace the corresponding components.

Why is your phone screen suddenly darkening.

Hello dear, <>

I am glad to answer for you, the reason why the mobile phone screen suddenly dimmed is: your mobile phone has turned on the brightness function of automatic adjustment, and the mobile phone will adjust the screen brightness according to the current ambient light situation; It may be that your phone's battery is lower than 20% or the battery saving mode default is that the phone will reduce the screen brightness in the battery saving mode; It may be that the light sensor of your mobile phone is faulty, it is recommended to contact the after-sales service Yuchun to check and replace the corresponding components of Qingqing.

Hello dear, <>

The extension for you is as follows:Mobile phone failure:The screen can't move when the phone freezes:

PG1, system crash: When there is a problem with the iOS system, it may cause the mobile phone to be S. This could be due to software issues, update issues, or hardware issues.

2. Application conflict: Some installed applications may conflict with other applications or iOS systems, resulting in S machine. 3. Insufficient storage space:

If your iPhone doesn't have enough storage space, it may cause the system to slow down or the S machine.