How to turn back the black and white screen of the phone

There are many users who will use this software of WeChat, this software has a very easy function, users can provide users with very convenient and convenient reading services when using this software, users can adjust their WeChat to dark mode when using this software on the page, but there are many users who do not know how to adjust it back when using this software, if you also encounter similar problems and do not know how to deal with it, then you can take a look together, The detailed operation method of this software is convenient for users to better use this software. To bring the WeChat black and white screen back, you need to open the general settings in the settings center, change the dark mode to normal mode, and restart the software to restore the original state.

2.Open the dark mode settings, select [Dark mode] in the general settings, and click to enter.

3.Select Normal Mode and Restart, click [Normal Mode] - [Done] on the dark mode interface to restart the software and restore the original state.

When the phone appears with a black and white screen, please try:

1. Turn off the "Negative Color" function.

2. Check whether the mobile phone has installed third-party software similar to the theme of the mobile phone or mediates the brightness of the screen, which causes this phenomenon, and it is recommended that you uninstall it.

3. Restore your phone to factory settings.

If you are using a Huawei phone and the phone screen becomes black and white, and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1.Check if the sleep time for healthy use of the phone is turned on Downtime function: Settings > Healthy use of the phone > Sleep time Downtime, when this setting is turned on, when the phone reaches the set sleep time, the screen will turn black and white.

2.Check if the eBook mode is turned on:

3.Check if the color correction switch is turned on:

4.Check if the color inversion feature is turned on:

5.Check to see if Dark Mode or Dark Power Saver** is turned on.

Go to Settings > Battery > Dark Power Saver**If the switch is on, turn off the switch. (If it is not found, the mobile phone does not support this function, check other scenarios).

6.Go to Developer Options and check if the Mock Color Space switch is turned on, you can do the following:

7.If none of the above troubleshooting resolves, you can try restoring all settings. If the problem persists after all settings are restored, we recommend that you back up important data in advance (QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

The Super Power Saving Mode feature can save battery power by applying a simplified grayscale theme on the home screen and limiting the number of apps available. How to use: Pull down the top curtain of the screen with two fingers - tap Super Power Saving, the prompt messages of "Battery Usage" and "Estimated Maximum Standby Time" will pop up on the screen, and click OK to turn on the function.

How to adjust the black and white of the mobile phone screen.

What to do if your phone screen turns black and white? Is that the reason why you have too much memory? Or is it too much garbage on your phone to clean up the garbage and see if it will still be like this?

1. Enter the system and update.

First, open System Settings and click on "System & Updates";

2Open the Developer Staffing option.

Find the Developer Options on this screen and open it;

3Turn off the simulated color space.

Then find the simulated color space in the developer options screen, and turn it off to restore the black and white interface.

If you are using a Huawei phone and the phone screen becomes black and white, and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1 Check to see if Dark Mode or Dark Power Saver** is turned on

When you turn on Dark Mode or Dark Battery Saver**, the screen background changes to a dark tone. It is recommended that you turn it off. Closure Method:

Method 2: Go to "Settings > Battery > Dark Power Saver**", if the switch is on, turn off the switch.

If you don't see Dark Mode or Dark Power Saver**, your phone doesn't support this feature, so please check other scenarios.

2 Check whether the "Sleep Time" and "Downtime" of healthy use of the phone are enabled

If you set the "Sleep Time" or "Downtime" for healthy use of your phone, and turn on the switch that grays out the screen, the screen will turn gray when the time limit is reached. It is recommended that you turn off this function (some models do not support the screen gray switch during downtime). Closure Method:

Go to "Settings > Healthy use of mobile phone > Sleep time" and "Downtime", and turn off the screen gray switch.

3 Check if eBook Mode is turned on

4 Check that the "Color Correction" switch is turned on.

"Color correction" is to help friends with weak eyesight to identify the screen color more conveniently, and people with normal vision may feel that the screen color display is abnormal after turning it on. You can turn this feature off if you don't need it. Closure Method:

5 Check that the "Color Inversion" feature is turned on.

Color Inversion" to change the color of the text and background displayed on the screen. When turned on, the phone will turn into white on a black background. If you don't need it, you can turn off this feature. Closure Method:

6 Check that Mock Color Space is turned on

7 If none of the above troubleshooting resolves, you can try resetting all settings on your phone.

If the problem persists, please back up your important data in advance (third-party communication applications need to be backed up separately), and bring the purchase voucher to the customer service center for testing and processing.

If you are using a Huawei phone.

The phone screen turns off-white, which can be operated by the following methods:

1.If the screen turns gray, you may be opening an eBook.

mode, when turned on, the screen will be grayed out for reading and text scenes, if you don't need it, you can turn off this function. How to turn off: Go to Settings, search and tap E-book Mode, turn off E-Book Mode.

2.If the screen is grayed out, you may have set a sleep time for healthy use of your phone.

When the time limit is reached, the screen will turn gray and some app icons on the desktop will be dimmed. It is recommended that you turn off this feature. Closure Method:

3.If the above troubleshooting still doesn't fix your issue, you can try resetting all settings on your phone.

If the problem persists, it may be the screen itself, so back up important data (third-party applications such as QQ and WeChat need to be backed up separately) and bring the purchase voucher to the Huawei Customer Service Center for testing.

Huawei Customer Service Center.

Repair spare parts** inquiry.

Make an appointment for service.

1. Click the [Settings] icon on your phone to enter the system settings menu, pull down and click to enter the [About Phone] interface.

2. Continuously click [Version Number] in the interface until the prompt prompts that the developer mode has been turned on, then return to the [System and New] settings and click to enter [Developer Options]. Mountain dates are slippery.

3. Find Yan Dan in the developer options list and click [Simulated Color Space], and adjust [Full Color Blindness] to [Off] to restore the color display.

4. In order to avoid system abnormalities caused by misoperation again, you can turn off the simulated color space and swipe the menu and turn off [Developer Options].

If your phone screen suddenly turns black and white, here are a few things you can try to fix the problem:1Check your phone settings:

Some phones have a black and white mode, and it may be that you accidentally turned on the feature. You can go to your phone's settings, check if the black and white mode is turned on, and turn it off. 2.

Restart your phone: Sometimes there is a problem with your phone, and restarting your phone can help fix the problem. Press and hold the phone's power button, select "Restart" or "Power Off", and wait for the phone to restart automatically.

3.Check the phone screen connection: If the phone screen connection is bad, it may also cause the screen to become black and white.

You can turn off your phone, remove your phone screen, check if the connection is loose or dirty, reconnect and test. 4.Factory Reset:

If the above methods still don't solve the problem, you can try a factory reset. Please note that a factory reset will erase all data, please back up your data in advance to avoid unnecessary losses. If none of the above methods can solve the problem, it is recommended that you go to a mobile phone repair shop or contact mobile phone customer service for repair or consultation.

If your phone turns into a black and white screen and the color display is not normal, you can troubleshoot the problem by performing the following steps:

1.Check if the sleep time for healthy use of the phone is turned on Downtime function: Settings > Healthy use of the phone > Sleep time Downtime, when this setting is turned on, when the phone reaches the set sleep time, the screen will turn black and white.

2.Check if the eBook mode is turned on:

3.Check if the color correction switch is turned on:

4.Check if the color inversion feature is turned on:

5.Check to see if Dark Mode or Dark Power Saver** is turned on.

Go to Settings > Battery > Dark Power Saver**If the switch is on, turn off the switch. (If it is not found, the mobile phone does not support this function, check other scenarios).

6.Go to Developer Options and check if the Mock Color Space switch is turned on, you can do the following:

7.If none of the above troubleshooting resolves, you can try restoring all settings. If the problem persists after all settings are restored, we recommend that you back up important data in advance (QQ and WeChat need to be backed up separately) and bring your purchase voucher to the Huawei Customer Service Center for testing.

Mobile: iphone13

System: ios13

The steps to bring back the black and white screen of the phone are as follows:

1. Turn on Accessibility in Settings First, open your phone's settings, find and tap Accessibility.

2. Display & Text Size, then click Display & Text Size, and then click Color Filter.

3. Turn off the color filter switch, and finally click to turn off the color filter switch.

Precautions for using your phone:

First of all, we should not play with mobile phones in a dark environment, because playing mobile phones in a dark environment will cause the pupils to dilate, so that the aqueous humor return of the eyes will be reduced, and playing with mobile phones in a dark environment for a long time will cause glaucoma.

There are many people who like to lie down and look at their phones when they sleep at night, and lying down to look at their phones for a long time will increase the likelihood of suffering from cervical and lumbar spine diseases. In addition, lying blind and looking at the mobile phone for a long time will lead to a decrease in the number of blinks, and the ultraviolet rays emitted by the mobile phone are more likely to enter the eyes, causing damage to the cornea and leading to the occurrence of dry eye disease.

Before going to bed, it is best not to play with the hand stare machine, and play with the mobile phone before going to bed at night, which will affect the nervous regulation of the human body, reduce the quality of sleep of the human body, and affect the study and work of the next day. <>