How to set the mobile phone to black and white?

Method for Android mobile phone to ent black-and-white mode

Open the phone settings, find the developer option-simulate color space, and then select color blindness. After setting up, go back to the phone interface and you will find that the phone has become black and white.

Some people may not find the developer option for mobile phones. Click phone settings-about phone-version number, and click the version number seven times in a row to open the developer options. Different brands of mobile phones may have different clicks, but the method of opening them is basically the same.

When the phone is turned on in color blindness, it is not just the phone screen and icons of various apps that turn black and white. Open a video and watch it at will, and you can find that the video played on the mobile phone is also black and white.

In addition, the content displayed on all mobile phones such as games, WeChat and QQ will be black and white.

If you want to quit black and white, just select Disable in the analog color space.

To enter the black-and-white mode of Apple's mobile phone, click Settings-General Options-Accessibility-Display Adjustment, and then turn on the color filter option. When turned on, the grayscale is checked by default, unless you manually check the grayscale.

Apple phones, like Android phones, will turn black and white when this function is turned on. Everything you open on your phone, such as videos you watch and web pages you browse, will also become black and white.

To change back to color, simply turn off the color filter option.

The professor has something to say.

It is said that after the mobile phone becomes black and white, it can also effectively quit the mobile phone addiction, because compared with the gorgeous screen, black and white is not so attractive. Just as you can't help brushing your mobile phone until midnight, but you can't help it, you might as well give it a try. However, the professor guessed that you might be tempted to switch back to the color yourself and continue to brush your circle of friends and Weibo until you are too sleepy to sleep. ...