30 Seconds<\/p>\n<\/li>\n
1 Minute<\/p>\n<\/li>\n
2 Minutes<\/p>\n<\/li>\n
3 Minutes<\/p>\n<\/li>\n
4 Minutes<\/p>\n<\/li>\n
5 Minutes<\/p>\n<\/li>\n
Never<\/p>\n<\/li>\n<\/ul>\n
When the feature stops working, your iPhone screen may stay awake continuously, even when you are not using it.<\/p>\n
Several things can interfere with the Auto-Lock settings on iPhone. Here are the most common causes:<\/p>\n One of the biggest reasons behind iPhone screen timeout issues is Low Power Mode. When enabled, iOS may temporarily force certain display settings.<\/p>\n To check:<\/p>\n Open Settings<\/p>\n<\/li>\n Tap Battery<\/p>\n<\/li>\n Turn off Low Power Mode<\/p>\n<\/li>\n<\/ol>\n After disabling it, test whether your iPhone Auto-Lock not working issue is fixed.<\/p>\n Sometimes the setting gets accidentally changed to \u201cNever.\u201d<\/p>\n Here\u2019s how to fix it:<\/p>\n Open Settings<\/p>\n<\/li>\n Tap Display & Brightness<\/p>\n<\/li>\n Select Auto-Lock<\/p>\n<\/li>\n Choose 30 Seconds or 1 Minute<\/p>\n<\/li>\n<\/ol>\n This is one of the easiest fixes for iPhone display staying on problems. Newer iPhones with Face ID include Attention Aware Features. Your iPhone keeps the screen awake if it detects that you are looking at it.<\/p>\n To disable it:<\/p>\n Go to Settings<\/p>\n<\/li>\n Tap Face ID & Passcode<\/p>\n<\/li>\n Turn off Attention Aware Features<\/p>\n<\/li>\n<\/ol>\n Many users notice immediate improvement after adjusting this setting.<\/p>\n If Face ID sensors are malfunctioning, our technicians at iFixScreens can inspect the hardware and help restore proper functionality.<\/p>\n Sometimes, Screen Time restrictions affect iPhone sleep settings.<\/p>\n To check:<\/p>\n Disable unnecessary restrictions and test your Auto-Lock again.<\/p>\n A simple restart often fixes temporary software glitches causing iPhone Auto-Lock issues.<\/p>\n This quick fix resolves many small iOS bugs.<\/p>\n <\/p>\n An outdated iOS version may cause bugs affecting Auto-Lock on iPhone.<\/p>\n To update:<\/p>\n Apple regularly fixes display and lock-screen bugs through software updates.<\/p>\n <\/p>\n If none of the previous solutions work, resetting settings may help.<\/p>\n Steps:<\/p>\n This will not delete your personal data, but it resets Wi-Fi, display, and system preferences.<\/p>\n This method often automatically solves stubborn iPhone screen-not-locking issues.<\/p>\n Some apps, like streaming services, navigation apps, or video players, can prevent Auto-Lock from activating.<\/p>\n Close all running apps:<\/p>\n If the problem occurs only when using one app, updating or reinstalling that app may help.<\/p>\n If your iPhone Auto-Lock not working issue continues after trying every software fix, the problem could be hardware-related.<\/p>\n Possible causes include:<\/p>\n Faulty proximity sensors<\/p>\n<\/li>\n Face ID sensor issues<\/p>\n<\/li>\n Water damage<\/p>\n<\/li>\n Internal motherboard problems<\/p>\n<\/li>\n Screen replacement issues<\/p>\n<\/li>\n<\/ul>\n This is where professional repair becomes important. Our experienced technicians at iFixScreens can perform a full diagnostic check to identify the exact issue and provide reliable repair solutions.<\/p>\n![\"What](\"https:\/\/ifixscreens.com\/wp-content\/uploads\/2026\/05\/2-4.webp\" "\\"What")
<\/a><\/span><\/p>\nCommon Reasons Why iPhone Auto-Lock Stops Working<\/h2>\n
Low Power Mode Is Enabled<\/h3>\n
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Check Your Auto-Lock Settings<\/h3>\n
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<\/a><\/span><\/p>\nAttention Aware Features May Be Causing the Problem<\/h2>\n
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Screen Time Settings Can Interfere<\/h3>\n
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<\/a><\/span><\/p>\nRestart Your iPhone<\/h3>\n
For iPhones with Face ID<\/a>:<\/h3>\n
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<\/a><\/span><\/p>\nFor iPhones with Home Button:<\/h3>\n
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<\/a><\/span><\/p>\nUpdate Your iPhone Software<\/h3>\n
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<\/a><\/span><\/p>\nReset All Settings<\/h3>\n
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<\/a><\/span><\/p>\nCheck for App Conflicts<\/h3>\n
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Hardware Problems Could Be the Cause<\/h2>\n
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