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Why does my iPhone 12 brightness keep going down

Why does my phone keep going light n dim only very slightly auto brightness is off this is happening every few seconds


[Re-Titled by Moderator]

Posted on Aug 20, 2021 9:07 AM

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Question marked as Top-ranking reply

Posted on Aug 20, 2021 9:13 AM

Hello:) Try this and see if it helps:


Go to Settings > Display & Brightness > Auto Lock. Tap on "Auto Lock" and select the time for when you want the iPhone to auto lock. Also:


“If your device gets too warm


If the interior temperature of the device exceeds the normal operating range, the device will protect its internal components by attempting to regulate its temperature. If this happens, you might notice these changes:

    • Charging, including wireless charging, slows or stops.
    • The display dims or goes black.
    • Cellular radios enter a low-power state. The signal might weaken during this time.
    • The camera flash is temporarily disabled.
    • Performance slows with graphics-intensive or augmented-reality apps or features.

Additionally, if you're navigating, the device might show this alert and turn off the display: "Temperature: iPhone needs to cool down." Navigation still provides audible turn-by-turn directions. When approaching a turn, the display will illuminate to guide you through the turn."


Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures


If you feel that the brightness adjusting on your display occurs outside of these conditions, reach out to Apple for further assistance: Contact Apple Support




~Katana-San~

1 reply
Question marked as Top-ranking reply

Aug 20, 2021 9:13 AM in response to Vllla_in

Hello:) Try this and see if it helps:


Go to Settings > Display & Brightness > Auto Lock. Tap on "Auto Lock" and select the time for when you want the iPhone to auto lock. Also:


“If your device gets too warm


If the interior temperature of the device exceeds the normal operating range, the device will protect its internal components by attempting to regulate its temperature. If this happens, you might notice these changes:

    • Charging, including wireless charging, slows or stops.
    • The display dims or goes black.
    • Cellular radios enter a low-power state. The signal might weaken during this time.
    • The camera flash is temporarily disabled.
    • Performance slows with graphics-intensive or augmented-reality apps or features.

Additionally, if you're navigating, the device might show this alert and turn off the display: "Temperature: iPhone needs to cool down." Navigation still provides audible turn-by-turn directions. When approaching a turn, the display will illuminate to guide you through the turn."


Keeping iPhone, iPad, and iPod touch within acceptable operating temperatures


If you feel that the brightness adjusting on your display occurs outside of these conditions, reach out to Apple for further assistance: Contact Apple Support




~Katana-San~

Why does my iPhone 12 brightness keep going down

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