It is very common for the brightness of the iPhone 8 to reduce on its own, without you having touched or configured anything on your phone. Don't worry, this phenomenon is quite common and has been defined by the manufacturer Apple. You will therefore see with this article the reasons why the brightness of your iPhone 8 starts to decrease suddenly without you being able to understand why.
The brightness in automatic mode of your iPhone 8
You should know that iPhones are equipped with ambient light sensors which give them the possibility of adjusting in real time the level of brightness of the screen of your device in relation to the lighting conditions of your environment. The sensors then decrease the light in the darkest places and increase it in the brightest places. Your iPhone 8 actually sees its brightness decrease or increase on its own depending on the lighting conditions in which you are.
If your iPhone 8's brightness dims on its own, turn off auto-brightness
In order to prevent the brightness slider on your iPhone 8 from changing depending on the lighting conditions, you can turn off the auto brightness of your iOS phone altogether. Here is the procedure to follow to then deactivate this function:
- Go to the Settings section of your iPhone 8
- Then go to the Accessibility section
- Now go to Display and text size
- To reset auto-brightness adjustments, turn auto-brightness adjustment off and then on again by following
Why do iOS cell phones have auto brightness?
Your iPhone 8 is equipped with the automatic brightness function in order to gain in autonomy and to increase the longevity of the battery of your telephone. Indeed, when the brightness of your iPhone 8 is set to maximum, you consume more energy than if the slider is in the middle, or even lower. To be able to optimize the battery life of your iPhone 8, we therefore advise you to keep the auto adjustment function of your phone so that it can adjust your screen or manually adjust the brightness on your iPhone 8 when you are not using it. you don't need a lot of light. You can also activate the Night Shift mode which allows you to adjust the colors of your screen.
Adjust the screen brightness of your iOS phone
To adjust the brightness of your iPhone 8, you will have to go through the control center or through the shortcut of your phone. You will be able to quickly adjust the brightness of your iPhone 8 by swiping the screen of your phone from bottom to top and moving the brightness bar to adjust it according to your needs.
To adjust the brightness of your iPhone 8 through the settings, you must proceed as follows:
- Go to Settings on your iPhone 8
- Then go to Brightness and Display
- Drag the slider right or left depending on your brightness needs
It is also possible to activate Dark Mode which improves the visual comfort of your iPhone 8.
If you ever want other tutorials on your iPhone 8, we invite you to look at the other pages in the category: iPhone 8.
