Where to find screen timeout settings

Screen timeout on iPhone is called Auto-Lock, and you change it in Settings under Display & Brightness. Open Settings, tap Display & Brightness, then scroll down to find Auto-Lock. The option appears as a list of time intervals — 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, or Never.

Tap whichever interval you want. Your screen will lock automatically after that amount of time passes without you touching the phone. If you choose Never, your screen stays on until you manually lock it by pressing the side button or using the lock gesture.

The setting takes effect immediately. You do not need to restart your phone or confirm the change anywhere else.

Key Takeaways

  • Auto-Lock is found in Settings > Display & Brightness, and you can set it to 30 seconds, 1 minute, 2 minutes, 5 minutes, 10 minutes, or Never.
  • Shorter timeouts save battery life because your screen uses more power than any other component on the phone.
  • Longer timeouts or Never are useful when you are reading, watching video, or using your phone hands-free, but drain the battery faster.
  • You can also use Focus modes or accessibility shortcuts to change Auto-Lock temporarily without going back into Settings each time.

Why screen timeout matters for battery life

The display is the single largest battery drain on an iPhone. Every second the screen stays lit, it pulls power. Setting Auto-Lock to 30 seconds or 1 minute means your screen turns off much sooner during normal use, which adds hours to your battery life over the course of a day.

If you set Auto-Lock to Never, your screen never locks on its own. This is convenient when you are reading an article or following a recipe, but it will noticeably reduce how long your phone lasts between charges. Most people find a middle ground — 2 or 5 minutes — balances convenience with battery drain.

When to use shorter timeouts

Set Auto-Lock to 30 seconds or 1 minute if you want maximum battery life or if you are concerned about someone picking up your phone when you step away. The screen locks quickly, and you have to enter your passcode or use Face ID to unlock it again.

Shorter timeouts are also useful if you carry your phone in a pocket or bag where the screen might accidentally turn on and stay on. A quick timeout prevents that from draining your battery.

When to use longer timeouts or Never

Set Auto-Lock to 5 or 10 minutes if you frequently read long articles, follow recipes, or use your phone while cooking or exercising. You avoid the frustration of the screen locking while you are actively looking at it.

Choose Never only if you are using your phone in a secure location and battery life is not a concern. This setting is common in cars with iPhone mounts, on desks at home, or in other hands-free situations. Remember that your phone will stay awake and drain battery until you manually lock it.

Using Focus modes to change Auto-Lock temporarily

If you want different Auto-Lock times for different situations — for example, a longer timeout at home and a shorter one at work — you can use Focus modes. Create a Focus for each situation, then customize the Auto-Lock time within that Focus.

Open Settings, go to Focus, and create a new Focus or edit an existing one. Tap Customize, then scroll to Display & Brightness and adjust Auto-Lock for that Focus only. When you activate that Focus, the Auto-Lock time changes automatically. When you switch to a different Focus, it changes back.

Using accessibility shortcuts for quick changes

If you change Auto-Lock frequently, you can add it to your Accessibility Shortcut menu. This lets you access the setting faster without opening Settings each time. Go to Settings > Accessibility > Accessibility Shortcut, scroll down, and toggle on Display & Brightness.

Now you can triple-press the side button (or home button on older iPhones) to open the Accessibility menu, which includes a quick link to Display & Brightness. This is faster than navigating through Settings, though you still have to tap through to change Auto-Lock itself.

Frequently Asked Questions

Does Auto-Lock affect Face ID or Touch ID?

No. Auto-Lock only controls when the screen turns off. When you pick up your locked phone, Face ID or Touch ID works regardless of your Auto-Lock setting. The timeout only determines how long the screen stays on after you stop using it.

Will my iPhone lock if I am actively using it?

No. Auto-Lock only triggers when you are not touching the screen. If you are reading, typing, or scrolling, the timer resets and the screen stays on. It locks only after the full timeout period passes with no activity.

Can I set different Auto-Lock times for different apps?

Not directly within individual apps. However, you can use Focus modes to change Auto-Lock when you open a specific app. Set up a Focus that activates automatically when you open an app, and customize the Auto-Lock time for that Focus.

What happens if I set Auto-Lock to Never and forget to lock my phone?

Your screen stays on and drains your battery until you manually lock it by pressing the side button or using the lock gesture. If you lose the phone, it remains unlocked and accessible. For security and battery reasons, Never is best reserved for situations where you are actively using the phone.