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I can change the display brightness via hand when it decides to lighten up enough where I can just make out the settings, but, despite starting the "learning" all over again four times now, it still returns to the darker lighting. Everything else on the phone is working fine but the screen auto-brightness is still showing a preference to dark or totally black when on auto. You can also choose the “Never” option if you never want your iPhone to lock on its own.Īfter that, exit Settings, and hopefully, your issue will now be fixed.As the original OP, no, no physical or water damage and I have to make the assumption it started from the time I got the phone, as the auto-brightness is a "learning" process for the phone. In the menu that appears, select the new “Auto-Lock” time period. Go to Settings > Display & Brightness and tap “Auto-Lock.” Right as it’s about to do that, it also dims the screen to let you know that it’s about to turn off.īut if your screen is dimming too often, you can extend the time that your iPhone takes to lock. When your iPhone is idle, it automatically turns off its screen and locks itself to save power.
Why does my brightness keep changing how to#
RELATED: How to Enable Night Shift On Your iPhone for Easy Nighttime Reading Extend How Quickly Your iPhone Auto-Locks In “Night Shift” settings, turn off the switch beside the “Scheduled” option to opt out of the “Night Shift” mode. Head into Settings > Display & Brightness and tap “Night Shift.” You can deactivate Night Shift to see whether it solves your phone’s brightness snags. But when it comes into effect, your phone’s screen might also appear to be dimmer than normal. It turns your screen’s colors warmer so that they’re easier on your eyes at night. Night Shift is another setting that could be hampering your screen’s brightness. RELATED: What is Apple True Tone and How Do I Use It? Disable Night Shift Then, tap the switch beside “True Tone” to disable it. To do so, open Settings and navigate to Display & Brightness. Turn off True Tone to keep your display’s look consistent as well as to prevent it from fluctuating. This is called “True Tone.” But it can be a hit or miss, especially if you’re constantly moving around. Recent iPhones (iPhone 8 and above) have the ability to regulate their display’s color temperature and intensity depending on your room’s ambient light. RELATED: How to Speed Up Face ID on Your iPhone Troubleshoot the True Tone Option You can do that by heading into Settings > Accessibility > Face ID & Attention and disabling “Attention-Aware Features.” To make sure that this smart feature is not messing up your phone’s screen brightness, try switching it off for a day. If you own an iPhone with Face ID, your phone may be dimming the screen when it thinks you’re not looking at it to preserve battery life. RELATED: How to Use Control Center on Your iPhone or iPad Switch off Attention-Aware Features You’ll have to manually do it by adjusting the brightness bar in Control Center. Your iPhone will no longer alter the brightness levels automatically. In “Display & Text Size,” scroll to the bottom and toggle the “Auto-Brightness” option by flipping the switch beside it. In Accessibility, tap “Display & Text Size.” To do this, open the “Settings” app on your iPhone and enter the “Accessibility” menu. However, if you don’t like this feature, you can turn it off and tweak the brightness yourself.
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It will be at its highest levels if you’re out on a sunny day, for instance.
By default, your iPhone automatically tunes its screen’s brightness depending on your surroundings.