Iphone Brightness Automatically Changes

Iphone Brightness Automatically Changes

So, today’s article will be devoted to a very simple topic, but very important – let’s talk about the brightness on your iPhone. How can it be reduced, increased, and other issues with the setting.

We also discuss some problems that may arise and what exactly to do in such situations. It will be very informative and if you do not want to read all the material, just select the question you are interested in.

How to make the screen brightness on an iPhone more / less?

Quite often there are situations when there is a need to increase or decrease the brightness on your iPhone. And there are a lot of them.

Probably the most popular cases are the situation at bedtime, when the phone is too bright or on a sunny day, when the brightness is simply not enough to see something.

There are two whole configuration methods, and now I’ll tell you about each of them.

Option one. The most convenient and easiest option to adjust the brightness is the control panel. It is called quickly enough.

Just swipe up from the bottom of the screen, a panel appears and adjust the brightness as you like. Simpler, there is an easier option, but more about it later.

Option two. If you don’t like the previous method or for some reason you just can’t call the control panel.

Then just follow these steps:

  1. go to SettingsScreen and brightness ;
  2. We see the slider and moving it, the brightness of the screen will change.

Use the method that you liked the most. But now I’ll tell you about a feature that makes life easier for owners for many years.

Why does the brightness itself change on an iPhone?

As many probably already understood, it will be about auto brightness. In any iPhone, you can find a light sensor and most often it is located above the earpiece.

Thanks to it, phones adjust your brightness automatically, which helps a lot to save battery life and not damage your eyesight.

To check its performance, it is enough to dramatically change the lighting situation. For example, go out of the darkness into the light and you will see how changes occur.

This is essentially the third configuration method, but if you prefer to configure it exclusively manually, then simply follow these steps:

  1. we follow the same steps SettingsScreen and brightness ;
  2. turn off the slider opposite the word Auto brightness
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As for me, the thing is very convenient. I usually turn it off in cases where I really need to save the battery and configure everything myself.

But here it is up to you to decide, because each user has his own preferences. So just do as you please.

IPhone brightness is not adjustable

As you probably all know, nothing perfect happens. Quite often you can find devices on which the brightness does not change at all.

In principle, if we consider as a whole, then we can meet such situations:

  • If your phone works and you can see everything only by moving your iPhone to the light, then most of all, your backlight told you goodbye.
  • If the auto brightness is turned on, but does not change when the light changes, then the light sensor simply failed. There can be many reasons for this;
  • Well, the last option, which is very unlikely – updated the software. Very often there are various flaws and if you have this problem after updating the software, then I think this is the reason.

We roll back to the previous firmware, or we are waiting for a new update. After that, everything should fall into place.

In any case, if you don’t know what exactly is happening with your gadget, then it’s best to just contact a person who knows more about devices than you do.

Well, and the most extreme case, we find the nearest service center and rent it out for repair or just consult. Sometimes it’s not too cheap, but if you don’t have much choice, you will have to.


The problem of adjusting the brightness on an iPhone is most often encountered by initial users. Then you will forget about this feature.

But it seems to me that it’s never too late to learn something new. Perhaps you did not know about something and after reading the material, you began to know a little more about your favorite smartphone.

On devices with the iOS operating system there is a knob to control the brightness of the screen. In some situations, the minimum value may not be sufficient. In such situations, you can solve the problem using a special mode.

Using a simple sequence of actions, you can configure the activation of the "minimum brightness". In this mode, the backlight level of the LCD screen is reduced to a value below what Apple installed. This can be useful when working with an iOS device at night. The instructions below are relevant for any devices running iOS 8.1 and higher.

How to reduce iPhone screen brightness below the minimum set by Apple:

Step 1 : Open the section General -> Universal access -> Magnification.

Step 2 : Go to the Zoom Area subsection and check the box next to Full Screen.

Step 3 : Go back one step and turn on the Zoom switch.

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Step 4 : Triple-click on the screen with three fingers to bring up a special window. In it, move the slider to the left to the minimum value.

Step 5 : In the window, click “Select Filter” and check the box “Weak Light”.

Step 6 : Now it remains to assign a triple press of the Home button to activate the mode. To do this, go to the Basic menu -> Universal access -> Keyboard shortcut -> Magnification. Check the box next to Zoom.

Step 7 : Now with a triple click on the Home button you can quickly activate the iPhone or iPad screen backlight reduction mode. If you move the backlight slider all the way to the left, the brightness of the iPhone or iPad screen will be below the minimum set by Apple.

The brightness sensor on the phone may not work well. Or not work at all. Turning off auto brightness – temporary rescue before repair. Maximum brightness is also needed when you need to scan QR codes on electronic tickets. In iOS 11, the auto brightness setting moved to a very unusual place

To turn off auto brightness you need to go to "Basic""Universal access"“Adapting the display” The auto brightness switch is now here. Set to off. That there was no green.

All the way to auto brightness in iOS 11

Auto brightness in search

Iphone Brightness Automatically Changes

You can turn off auto brightness through the search. Go to "Settings" Do swipe down and type "Auto" in search of.

The first result (Auto brightness ) desired setting.

Search auto brightness settings

The problem is that on the iPhone, by clicking on it, it goes into universal access and highlights the adaptation point of the display. And it’s not entirely clear where this automatic brightness is. BUT auto brightness inside And only there you can turn it off. Such are the bugs in iOS 11.

Why put her there

The backlight of the display is eating the battery. With auto-brightness, the iPhone uses the battery more economically. Apple is easier to turn off auto brightness than make the battery larger. Given that the device’s dimensions are limited, it’s more profitable to integrate another expensive module into the phone than a cheap battery. It is necessary to increase the cost of iPhones.

Video about auto brightness in iOS 11

If auto brightness is not in the settings

If there is no auto brightness switch in the display adaptation settings, and there is a warning that “turning off auto brightness can shorten battery life”. That is, the setting looks like the picture on the right. Then you have defective light sensor It can be repaired at service centers. In rare cases, it helps,

Many owners of Apple products after updating their devices to the latest version of iOS 11 faced a new task: when you turn on the iPhone, the Auto Brightness function is automatically activated, which independently sets the light transmission level on the screen.

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On previous versions of the operating system, this parameter could be easily turned off by going to the “Screen and Brightness” section, in which this feature is now missing. But what happened that Apple decided to remove a feature so useful to many?

How to disable / enable auto brightness in iOS 11 on iPhone or iPad

Devices running iOS 11, as before, have the Auto Brightness option, which has moved from the usual location for the owners in the Screen and Brightness section to a completely different, fairly well-disguised and distant place in the menu. Now the specified function can be detected by performing the following actions:

  1. Go to the "Settings" menu.
  2. Section "Basic".
  3. "Universal access".
  4. In the “Display Adaptation” section, the function moved by the developers will be located.

With a significant change in location, the Auto Brightness option did not undergo any cardinal changes. This function is still responsible for automatically adjusting the brightness level on the screens of Apple devices, taking into account external light sources and adjusting to them. The Auto Brightness option, as in previous versions of iOS, is the default setting, which is enabled by default on devices.

Why moved auto brightness so far

Missing from the usual location, "Auto Brightness" puzzled a large number of owners. Users of Apple products were surprised. They began to massively turn to technical support, because this function is ranked among the most used on devices running iOS. So what nevertheless forced the developers to make such changes, complicating the process of using their products?

The answer to the question is quite simple. Apple employees do not want the owners of the purchased equipment to turn off the automatic brightness control for some reasons. Not every user has information that disabling the Auto Brightness option has a bad effect on the battery life of the iPad, iPhone, and iPod.

It is for this reason that this option, under the leadership of the iOS operating system, at a fast pace and extremely accurately adjusts the effective brightness for the full use of the device, without requiring mandatory intervention from the owner.

What could be the consequences of refusing auto brightness

The developers noticed that with manual regulation it often happens that users set an order of magnitude higher brightness level than necessary, contributing to a faster discharge of the battery.

When you set the minimum brightness indicator on the device, you can reduce the charge consumption, thereby extending its autonomy. Having performed the opposite action, raising the saturation by an order of magnitude higher than the required value, it will not only start to run out of battery sooner, but there is a possibility that external lighting with very bright backlight will damage the efficient use of Apple’s mobile or other equipment.


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