It is very common that the brightness of the iPhone 13 reduces by itself, without you touching or setting anything with your mobile phone. Don't worry, this phenomenon is completely normal and has been defined by the manufacturer Apple. We will therefore detail in this tutorial the reasons why the brightness of your iPhone 13 starts to decrease suddenly without you being able to know why.
The brightness in automatic mode of your iPhone 13
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 according 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 13 therefore sees its brightness reduce or increase on its own depending on the lighting conditions in which you find yourself.
If your iPhone 13 brightness drops on its own, turn off auto-brightness
In order to prevent the brightness slider on your iPhone 13 from changing depending on the lighting conditions, you can completely remove the auto brightness from your iOS mobile phone. Here is the procedure to follow in order to deactivate this feature:
- Go to the Settings section of your iPhone 13
- Then go to the Accessibility section
- You must now go to Display and text size
- To then reset all of the automatic brightness adjustments, deactivate the automatic brightness adjustment and then reactivate it by following
Why do iOS phones have auto brightness?
Your iPhone 13 is equipped with the auto-brightness feature to save battery life and increase the longevity of your mobile phone battery. Indeed, when the brightness of your iPhone 13 is set to maximum, you consume much more energy than if the slider is in the middle, or even lower. To optimize the battery life of your iPhone 13, we advise you to keep the auto adjustment feature of your mobile phone so that it can adjust your screen or manually adjust the brightness on your iPhone 13 when you are not using it. don't need a lot of light. You can also activate the Night Shift mode which allows you to adjust all the colors of your screen.
Adjust the screen light of your iOS mobile phone
To then adjust the brightness of your iPhone 13, you will have to go through the control center or through the shortcut of your mobile phone. You will be able to adjust the brightness of your iPhone 13 fairly quickly by swiping the screen of your mobile phone from bottom to top and moving the brightness bar to adjust it according to your needs.
To then adjust the brightness of your iPhone 13 via the settings, you will have to proceed as follows:
- Go to Settings on your iPhone 13
- Then go to Brightness and Display
- Drag the slider right or left depending on your brightness needs
It is also possible to activate the dark function which optimizes the visual comfort of your iPhone 13.
If you ever want other information on your iPhone 13, we invite you to consult the other pages in the category: iPhone 13.
