The most likely reason that your iPhone's screen is dark is that the brightness setting needs to be adjusted. Swipe up from the bottom of your phone's screen. You will see the quick-access panel. Slide the brightness slider with your finger from left to right.
Sometimes when your computer screen is faint, or the screen brightness is too low even at 100%, and/or the laptop screen is too dark at full brightness, it is most likely caused by the low voltage at the LCD inverter. This component is responsible for producing your computer screen backlight.
One reason, for example, is your iPad could be getting too hot. If you're using your iPad while plugged in, you may find that even on its highest brightness setting that the screen goes dark. It could overheat more regularly, too, if your iPad is in a case (especially true while charging).
Why is my Android screen so dark? Make sure your screen's proximity sensor isn't being blocked by a case or cover. If the display dims automatically and you want to boost the brightness, turn off the adaptive brightness option and regulate the screen brightness directly.
1. If Picture mode is set to Cinema or Custom, the screen may become dark. If the screen is still dark after the picture quality mode is changed, change the setting Backlight, Picture, Brightness and adjust the brightness to your taste.
Apple says its iOS devices use an ambient light sensor to automatically adjust brightness levels based on the light conditions in your surroundings. You can see this in action if you keep your eyes on the brightness slider, which will move according to those light conditions.
Assuming your display isn't damaged, the most common culprit for a consistently darkened screen is power saving mode. When your battery is close to being drained, your smartphone can turn off a number of background operations and tweak the display to use less power.
Sometimes when your computer screen is faint, or the screen brightness is too low even at 100%, and/or the laptop screen is too dark at full brightness, it is most likely caused by the low voltage at the LCD inverter. This component is responsible for producing your computer screen backlight.
Check Accessibility settings When it's enabled, your iPhone screen goes dark even when brightness is all the way up. Here's how to turn off Reduce White Point to fix the dim iPhone screen: Open Settings and tap Accessibility. Tap Display & Text Size.
Sometimes, the iPhone screen is dark, but the brightness is up. This can be due to an accessibility feature that zooms the entire iPhone display, and as a result, your screen brightness may be affected. To fix this, unzoom your iPhone screen or turn off this feature from Settings > Accessibility > Zoom.
iPhone adjusts the screen brightness for current light conditions using the built-in ambient light sensor. Go to Settings > Accessibility. Tap Display & Text Size, then turn on Auto-Brightness.
iPhone: Reduce the white point Open the Settings app on your phone and head to General > Accessibility > Display Accommodations. At the bottom of this screen, you'll see an option to Reduce White Point. Turn this on and adjust the slider until the screen brightness suits your preferences.