To keep your iPhone screen on, go to Settings > Display & Brightness > Auto-Lock and set it to Never, or enable the Always-On Display feature on supported Pro models in the same settings menu; ensure Low Power Mode is off if you can't see the Auto-Lock option, as it restricts these settings, say Apple Support, Business Insider, Make Your ... from YouTube, and TikTok users.
Three-finger gestures on iPhone primarily activate accessibility features like VoiceOver (for screen reading and navigation) and Zoom (magnification), allowing scrolling, zooming, and text manipulation (copy/paste/undo) with specific taps and drags, though some text actions work without VoiceOver enabled for quick editing. Common gestures include three-finger double-tap to toggle VoiceOver speech, triple-tap for the screen curtain, and pinching/spreading with three fingers for copy/paste actions, notes this YouTube video.
Keep your Lock Screen visible with Always-On display
The Always-On display setting is on by default. To turn it off, go to Settings > Display & Brightness, then turn off Always On Display. Tip: When Always-On display is turned on, you can choose whether to show your wallpaper or notifications on your Lock Screen.
How to Keep Your Phone from Turning Off on Android
To prevent your screen from turning off automatically: Open the Settings app. Tap Display & Brightness. Select Auto-Lock.
Control iPhone with a pointer device
Go to Settings > Accessibility > Touch > AssistiveTouch. Turn on AssistiveTouch.
Navigate to Power & Battery (or Power & Sleep)
In the System menu, locate the option labeled Power & sleep (on Windows 10) or Power & battery (on Windows 11) on the left sidebar. Click on this option to open a screen where you can adjust sleep settings for both screen and system activity.
Go to settings -> About Phone -> button mash where it says "Build Number" -> this allows "Developer Mode" to be accessed -> Go to Developer Options -> Turn them on -> Turn on "Stay Awake". What this does is it allows your phone to not go to sleep while charging.
How do I keep my iPhone screen from turning off?
Common causes of phones turning off
It's likely due to one of these common smartphone problems: Battery issues: A malfunctioning battery (or one that's low on power) may cause your phone to shut down. Software glitches: Temporary bugs or a recently installed update can interfere with smartphone performance.
What causes the black screen of death on iPhone? It's usually caused by software crashes, battery failures, or screen hardware issues.
How do I stop my Android screen from turning off automatically? Go to Settings > Display > Screen timeout/Sleep and select “Never” if available.
Always On Display (AOD) is a feature on smartphones and other devices that keeps part of the screen, displaying important information like the time, date, and notifications, active even when the device is in standby mode.