How do I turn off automatic darkness on my iPhone?

To turn off automatic brightness (darkness) on your iPhone, go to Settings > Accessibility > Display & Text Size, scroll to the bottom, and toggle off Auto-Brightness. This prevents your screen from dimming based on ambient lighting, though it may increase battery usage.
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Why is my iPhone automatically reducing my brightness when I turn it to max?

Here are some of the most common: Your iPhone is too hot. Your device is in Low Power Mode. You've turned on auto-brightness, Attention-Aware Features, or True Tone.
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How to turn off dark mode automatically?

Turn dark theme on or off
  1. On your phone, open the Settings app.
  2. Tap Display.
  3. Turn Dark theme on or off.
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Why does my phone keep reverting to Dark Mode?

There are multiple possibilities: You have selected "Auto" rather than "Night Mode". "Auto" may look dark at first, but it actually toggles the mode automatically depending on the current time: dark at night, light by day. The mode was turned off by another app that is overwriting the Android dark mode settings.
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Why is my iPhone not showing auto brightness?

Go to Settings > Accessibility. Tap Display & Text Size, then turn on Auto-Brightness. Note: Turning off Auto-Brightness may increase power consumption.
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How To Stop iPhone Dimming — 7 REAL Fixes! [All Models]

How do I stop my screen from dimming with inactivity?

Turn off the Adaptive brightness setting

Navigate to Settings, and then tap Display. Tap the switch next to Adaptive brightness to turn the setting off. Then, adjust the Brightness bar until you've reached your desired level of brightness.
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What is the 40-80 rule on iPhones?

According to the "40-80 Rule", lithium-ion batteries, like the ones inside iPhones, work best when they are between 40% and 80% of their capacity. When they are too full or too low, they experience more wear and lose their ability to hold a charge over time.
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How do I turn off automatic dimming?

Open Control Panel > Power Options > Change plan settings > Change advanced power settings > under Display, ensure Enable adaptive brightness is Off for On battery and Plugged in.
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How do I permanently turn off dark mode on my iPhone?

to turn Dark Mode on or off. Go to Settings > Display & Brightness, then select Dark to turn on Dark Mode, or select Light to turn it off.
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How to stop iPhones automatically changing brightness?

In the Settings app, tap Accessibility. Tap Display & Text Size. Scroll to Auto-Brightness and tap to turn the feature on or off.
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Why does my iPhone keep dimming itself with auto brightness off?

Don't let your iPhone overheat

Your iPhone has several ways of protecting its internal components, and that includes automatically dimming your display. Even if you have both auto-brightness and True Tone turned off, if your iPhone is overheating, it will automatically adjust the display intensity.
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