Your iPhone screen may dim for several reasons, even if auto-brightness is off. Overheating is a common cause, prompting the device to reduce brightness to manage temperature. Power-saving modes and short screen timeout settings can also lead to dimming. Additionally, features like Attention Aware, which dims the screen when you're not looking, or the Always-On Display on newer models, can cause unexpected dimming. AI
RANK_REASON Article explains troubleshooting for a common device feature issue.
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