If you need to set the automatic brightness level function of Apple iPhone XS Max, you can turn on the automatic brightness level in Settings-Accessibility-Display and Text Size. If you need to set the primary color display function of Apple iPhone XS Max, you can turn on the primary color display in Settings-Display and Brightness-Brightness. The following is a detailed explanation:

Set the automatic brightness level function.

1, the brightness level function means that Apple iPhone XS Max can change the brightness of the mobile phone screen according to the current ambient light.

2. Turn on the brightness level in Settings-Accessibility-Display and Text Size.

Set the original color display function.

1, the original color display function, means that Apple iPhone XS Max can automatically adjust the screen display color according to the ambient light, ensuring the same display effect under different ambient light fields.

2. Just turn on the original color display in Settings-Display and Brightness-Brightness.

3. If you find that your Apple iPhone XS Max does not support the original color display function (generally, this function is displayed in gray and cannot be turned on), it means that your iPhone XS Max screen is damaged or the screen is not original. Suggest contacting the seller for confirmation.

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