iPhone 12 Screen Dims Automatically – iPhone 12 Screen Brightness Adjustment

When using the phone, the brightness suddenly dims, but the brightness display is already the highest. What has caused the phenomenon? Let’s take a look at the solution!

iPhone 12 screen brightness adjustment

Method One: 

iPhone battery is running low

When the iPhone battery is running low and the low power mode is on, the power consumption can be reduced. After the low power mode is on, some settings, functions and visual effects will be weakened or deactivated, and the user can feel dim. Charge the iPhone in time and the problem can be resolved.

Equipment temperature is too high

If the iPhone internal temperature exceeds the normal operating temperature range, the device will attempt to adjust its own temperature to protect the internal components. When the equipment is overheating, charging (including wireless charging) will slow down or stop.

iPhone high-temperature warning

For example, when playing games for a long time, the iPhone will heat up seriously, and it is possible that the screen suddenly dims. It is recommended to stop the use of the phone and wait for it to cool down.

Dark mode is automatically on

In the iOS 13 and later version, Apple brings dark mode that can be turned on automatically at a specific time period. Once opened, you may feel that the main screen and the wallpaper are dimmed, which is a normal setting. You can customize the time in the iPhone “Settings” – “Display and Brightness”.

Method Two: 

Restart your iPhone.

Back up your iPhone and update your iPhone to the latest system.

If possible, remove the film from the display.

Clean your device screen with a soft cloth.

Go to Settings> Display and Brightness to adjust the brightness of the iPhone display.

Go to Settings> Accessibility> Display & Text Size, make sure Auto-Brightness is off.

Restore all settings: Go to Settings> General> Reset> Reset all settings.

Your device will restart, all settings will be erased, but no data and media are erased.

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We are the REWA Team, a division of REWA Technology consisting of repair technicians, experts, and marketers. Each article we produce is crafted with great care and input from various individuals.

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