Using the phone before going to bed has become a habit of many people, if it works in sufficient light, it's okay. If you use the phone in the dark, you'll have to rely on the help of some eye protection or support application on the smartphone.
Or use a dark background, or you have to resort to Night Shift mode help on your phone to reduce light from the phone. Because the blue light from the phone if operating in the dark will be very harmful to the eyes. Another little-known option on the iPhone is the Color Tint feature, which allows you to turn the entire screen into red, depending on how much you should use the level of clarity this mode.
In a bit of this Color Tint mode, it's quite different from the Night Shift mode you're used to. If Night Shift tries to make it easier for you to sleep by removing the blue light frequency and covering the screen with an orange-colored screen, Color Tint will cover your screen with a color filter, in this case red filter.
Red light is harder to see than other light frequencies, so it makes your eyes think it is less bright than it actually is. This means you can look at the red screen in the dark and your pupils won't have to adjust as much as blue light.
Also, when you take your eyes off the red screen, your eyes will adjust faster than the darkness around you. If you do not know how to turn on the red screen mode on your iPhone, then follow the instructions below of IOSTips.
How to turn on red screen mode on iPhone to protect face
Step 1: First go to the Settings app> Then select Accessibility, then select Adaptive screen.
Step 2: Next in the Adaptive screen menu select Color filter, in the color filter menu, turn on the Color Filter button.
Step 3: After that, select the Color Shading option at the bottom. Below will be the Bar of Strength and Intensity, with the Shades bar you will be choosing colors to cover the screen, dragging and pulling back you will see the difference.
The Strength bar will help you choose the level of blurring of the color you choose, you should choose only the level from 40% to 70%.
Step 4: Next you will need a shortcut for turning this Color Tint mode on and off. If you turn off each time you have to go to the Color filter menu, it will be quite inconvenient.
Now go back to Settings, select Accessibility, in the Accessibility menu, scroll down to the bottom and select Accessibility shortcut. In the Accessibility shortcut menu, save 2 features to become a shortcut.
Then go outside the home screen and press home key three times to open the list of accessibility shortcuts, with iPhone screen overflows like iPhone X, Xs, Xs Max, Xr press the power button three times to open Accessibility shortcut menu. Next in the accessibility shortcut menu, select Color filter, then red will be overlaid on your screen.
Night Shift's red orange color you usually put on the iPhone will make you a little uncomfortable if you just use it, in addition to red, you can customize other colors in the Color Filter.
Everyone knows that low power mode on iPhone will help you extend the time to use smartphone, but most users do not know that there is another way to extend battery life, which is for color mode. black and white. This mode helps to reduce the operating level of the phone CPU and increase the amount of battery life. How to do this can be tracked through the article Instructions to move the iPhone screen to gray to save battery.
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