How do I turn the LED light off on my iPhone 4?

You can turn off your iPhone flashlight with a swipe to the phone’s Control Center and a tap of the flashlight button. With even less effort, you can also turn off an iPhone’s flashlight by swiping partially or fully left onto the Camera app from your iPhone’s lock screen.

How do I turn the backlight off on my iPhone?

You can turn auto-brightness on or off in Settings > Accessibility > Display & Text Size. To reset the auto-brightness settings, turn off auto-brightness and then turn it back on.

How do I turn off background light?

Backlight: Change brightness

1. From any Home screen, tap the Menu key.
2. Tap Settings.
3. Tap the My device tab.
4. Tap Display.
5. Tap Brightness.
6. If necessary, tap Automatic brightness to clear the Check box and turn off.
7. Touch and drag the Brightness level Slider to the desired setting.
8. Tap OK.

Why does my iPhone backlight stay on?

Go to Settings > General > Auto-Lock. The Auto-Lock setting is the setting for this. If set to Never, the screen will stay on and not auto-lock or go to sleep after a designed period of time of inactivity. Thank you.

Why does my screen go dark when its on full brightness?

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.

What happens when iPhone goes black?

If your screen is black or frozen, you might need to force restart your device. A force restart won’t erase the content on your device. You can force restart your device even if the screen is black or the buttons aren’t responding.

How do I change my screen from dark to light?

Android

1. Tap the menu icon in the top-left corner of the app.
2. Tap “Settings”
3. Scroll down to the header which reads “Display”, and tap “Display Theme”
4. Pick from “System Default”, “Light”, or “Dark.”

How do I make my iPhone backlight stay on longer?

Backlight: Timeout

1. From the Home screen, tap Settings > Display & Brightness > Auto-Lock.
2. Choose from the following options: 30 Seconds. 1 Minute. 2 Minute. 3 Minute. 4 Minute. 5 Minute. Never.

https://www.youtube.com/watch?v=0VrIHACnNCY