How to Keep Your Phone Screen From Turning Off (Android and iPhone, 2026)

To keep your phone screen from turning off, the fastest fix is to raise your screen timeout to its maximum value (or set it to “Never” on iPhone). This guide walks through every reliable method on Android and iPhone as of 2026, including the hidden Developer Options trick, the iOS Auto-Lock settings that sometimes grey out, and the third-party apps that still work reliably after the Android 15 background restrictions.

Quick Answer: The Fastest Way on Each Platform

Device	Where to go	Setting	Maximum duration
Samsung Galaxy (One UI 6/7)	Settings → Display → Screen timeout	Screen timeout	10 minutes
Google Pixel (Android 14/15)	Settings → Display → Screen timeout	Screen timeout	30 minutes
OnePlus / OPPO (ColorOS 15)	Settings → Display & brightness → Auto screen off	Auto screen off	30 minutes
Xiaomi / Redmi (HyperOS)	Settings → Lock screen → Sleep	Sleep	10 minutes
iPhone (iOS 17/18)	Settings → Display & Brightness → Auto-Lock	Auto-Lock	Never

Android’s stock maximum tops out between 10 and 30 minutes depending on the manufacturer. iPhone is the only platform with a true “Never” option. If you need an Android screen to stay on indefinitely, skip ahead to the Developer Options method or use a free app like Caffeine.

Android: Change Screen Timeout

Every Android skin hides this setting in a slightly different place. Here are the exact paths for the most common phones in 2026.

Samsung Galaxy (One UI 6 and 7)

Open Settings.
Tap Display.
Scroll down and tap Screen timeout.
Choose the longest option — 10 minutes.

Samsung caps the built-in screen timeout at 10 minutes across the Galaxy S22, S23, S24, S25 series, Z Fold/Flip, and Galaxy A-series. There is no 30-minute option in stock One UI.

Google Pixel (Pixel 6 through Pixel 10)

Open Settings.
Tap Display & touch (labelled Display on older Pixels).
Tap Screen timeout.
Pick 30 minutes for the maximum.

On stock Android (Pixel, Motorola, and Nothing Phone), the screen timeout ladder is 15 seconds, 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, and 30 minutes.

OnePlus, OPPO, and Realme (ColorOS / OxygenOS)

Open Settings.
Tap Display & brightness.
Tap Auto screen off.
Select 30 minutes.

Xiaomi, Redmi, and POCO (HyperOS)

Open Settings.
Tap Lock screen.
Tap Sleep.
Select 10 minutes.

Some older MIUI builds keep the option under Settings → Display → Sleep instead.

Android: Use Developer Options to Stay Awake While Charging

If your phone is plugged in and you need the screen on indefinitely — for kiosk use, a recipe on the counter, or a dashboard — Android has a hidden “Stay awake” toggle that ignores the screen timeout entirely. It only works while the phone is charging, which is a useful safety net against battery drain.

Open Settings → About phone. On Samsung, tap Software information first.
Tap Build number seven times in a row. You will see a toast that says “You are now a developer!”
Go back to Settings → System → Developer options (on Samsung it is under Settings → Developer options at the bottom of the main Settings list).
Scroll down and toggle Stay awake on.

The moment you unplug the charger, screen timeout returns to whatever you set in Display. Re-plug and the screen stays on again.

If “Stay awake” is missing from Developer options, your device manufacturer has stripped it. This is common on some Huawei and older Vivo builds. In that case, use a Caffeine-style app instead.

Android: Third-Party Apps That Still Work

Android 14 and 15 tightened background activity rules, and several old “keep screen on” apps have been broken by those changes. These two are still working in 2026:

Caffeine — Keep Screen On by Teslacoil Software. Free, ad-free, and still actively maintained. Tap the app icon or the Quick Settings tile to keep the screen awake for 5 minutes, 10 minutes, or indefinitely. The Quick Settings tile is the easiest way to use it — add it via the pencil icon in your notification shade.
Wakey by Mobiwia. Adds more fine-grained rules such as “keep awake only while plugged in” or “keep awake only for these apps.” Free with optional pro upgrade.

Both apps request the WAKE_LOCK permission, which is the only permission they need to function.

Android: Screen Pinning (Kiosk Mode)

If you are handing your phone to a child or a customer and want the screen on for a single app — not the whole system — screen pinning is better than disabling timeout.

Settings → Security & privacy → More security settings → Pin windows (Samsung: Settings → Security and privacy → Other security settings → Pin windows).
Toggle On.
Open the app you want pinned, swipe up to the Recents view, tap the app icon at the top of the card, and choose Pin.

To unpin, swipe up and hold, or press Back + Recents together.

iPhone: Set Auto-Lock to Never

iOS is the only mobile OS that ships with a true never-lock option. Apple keeps the setting in the same place across iOS 17 and iOS 18, and it still exists on iPhone SE 4, iPhone 15, and iPhone 16 series.

Open Settings.
Tap Display & Brightness.
Tap Auto-Lock.
Tap Never.

Choices are 30 seconds, 1, 2, 3, 4, 5 minutes, and Never. Once set to Never, the screen only turns off when you press the side button or when the battery dies.

If “Never” Is Greyed Out

This is the single most-asked iPhone question on this topic. The Never option disappears and every other option greys out in exactly three scenarios:

Low Power Mode is on. Low Power Mode forces Auto-Lock to 30 seconds and locks the setting. Turn it off at Settings → Battery → Low Power Mode. The Auto-Lock menu becomes editable again the moment you toggle Low Power Mode off.
Your iPhone is managed by a company or school (MDM). A mobile device management profile can force a maximum Auto-Lock duration. Check Settings → General → VPN & Device Management. If a profile is listed, only your administrator can change it.
Guided Access is enabled and restricts Auto-Lock. Turn it off at Settings → Accessibility → Guided Access.

iPhone: Attention Aware (Face ID Models)

Face ID iPhones have a feature called Attention Aware that prevents the screen from dimming while you are looking at it, regardless of Auto-Lock. Turn it on at Settings → Face ID & Passcode → enter passcode → Attention Aware Features. With this on, you can leave Auto-Lock at 1 or 2 minutes and the screen will still stay awake as long as your face is visible to the front camera.

iPhone: Guided Access for Single-App Lock

If you want the screen to stay on inside one specific app (handing the phone to a toddler, for example), Guided Access is more secure than turning Auto-Lock off system-wide.

Settings → Accessibility → Guided Access → toggle on.
Set a Guided Access passcode.
Open the target app, triple-click the side button, tap Options, and disable Sleep/Wake Button. Tap Start.

The screen now stays on inside that app until you triple-click the side button again and enter the passcode.

Battery and Security Trade-Offs

Keeping the screen on continuously is the single fastest way to drain a smartphone battery — faster than GPS navigation, faster than video streaming. On a Pixel 9 with Stay Awake enabled and brightness at 50 percent, battery typically falls from full to around 10 percent in roughly 7 hours with no other apps active. The same phone idling with the screen off can last nearly four days.

From a security standpoint, a phone that never locks is a phone that anyone who picks it up can unlock. If you rely on Never or Stay Awake, consider:

Turning the feature on only when you need it, not as a default.
Using screen pinning (Android) or Guided Access (iPhone) to restrict the phone to a single app while unlocked.
Keeping Find My / Find My Device on so you can lock remotely if the phone is lost while unlocked.

Troubleshooting: Screen Still Turns Off

If you changed the setting and the screen still dims or shuts off early, one of these is the cause.

Adaptive Battery or Battery Saver is Overriding You

Android’s Adaptive Battery and iOS’s Low Power Mode both override user-set screen timeouts when battery gets low. On Android, check Settings → Battery → Battery Saver and turn it off or adjust the trigger threshold. On iPhone, disable Low Power Mode as noted above.

A Device Administrator Is Enforcing a Timeout

Work-profile email apps (Outlook, Gmail with Google Workspace), Samsung Knox, and any installed MDM can enforce maximum screen timeouts. On Android, check Settings → Security & privacy → More security & privacy → Device admin apps. On iPhone, check Settings → General → VPN & Device Management.

Proximity Sensor Is Triggering Sleep

If the screen turns off when something is near the top of the phone (a case with a magnetic flap, for example), the proximity sensor is telling Android to sleep. Remove the case or move the trigger away from the sensor. On Samsung, a sensor recalibration is available at Settings → Battery and device care → Diagnostics → Proximity sensor.

The Caffeine / Wakey App Keeps Stopping

If your keep-awake app quits on its own after a few minutes on Android 14 or 15, disable battery optimization for that app: Settings → Apps → [Caffeine or Wakey] → Battery → Unrestricted. Without this, Android doze will kill the wake lock after about 10 minutes.

Always-On Display Is Not the Same Thing

Samsung’s Always On Display, Pixel’s At a Glance always-on, and iPhone 14 Pro/15 Pro/16 Pro’s Always-On Display only show a dim clock and notifications — the main screen is still asleep. If you need the full interactive display, Always-On is not a substitute for Screen timeout or Auto-Lock.

Samsung Knox and Secure Folder Edge Cases

On Samsung Galaxy devices with Secure Folder active, the screen timeout inside Secure Folder is set separately from the main phone. Open Secure Folder → Settings → Auto-lock Secure Folder and set it to your preferred value. The main phone’s Display timeout does not govern Secure Folder.

Our Recommendation

For most people, raising the built-in Screen timeout or Auto-Lock setting is enough. Step up to the next tier only when you have a specific reason:

Casual reading or cooking — set Screen timeout / Auto-Lock to 5 or 10 minutes.
Watching content or following a long recipe — iPhone: Auto-Lock → Never. Android: 10 or 30 minutes.
Kiosk, dashboard, or plugged-in continuous use — Android: Developer Options → Stay awake. iPhone: Auto-Lock → Never while on charger.
Handing the phone to a child or customer — Screen pinning (Android) or Guided Access (iPhone). Safer than turning off timeout system-wide.

Change the setting back when you are done. A phone that never sleeps eats its battery fast and exposes everything behind the lockscreen to anyone in the room.