Apple 6s is notified today. How to adjust the color? Why did mine turn black? How can I change it back?

The method of adjusting the color tone of apple screen at will;

Method 1: Reverse color.

1) Click in "Settings" first, and then click to enter "General". (as shown in the figure below)

2) In "General", we can see the option of "Auxiliary Function", click it in, and then click "Reverse Color" to successfully turn on the reverse color function. (as shown in the figure below)

Second, adjust the color.

1, first open Settings-General-Auxiliary Functions-Display Adjustment-Color Filter;

2. After opening, slide to the bottom to select the tone;

3. Slide the picture progress bar to select the intensity, and you can see the obvious changes on the screen.