How to Change Screen Timeout on iPhone 15: A Step-by-Step Guide

Changing the screen timeout on your iPhone 15 is a breeze. Simply head over to the “Settings” app, tap on “Display & Brightness,” and then select “Auto-Lock.” From there, you can choose the duration you prefer for your screen timeout, ranging from 30 seconds to Never. After this quick adjustment, your screen will turn off automatically after the time you’ve set, saving battery life and enhancing security.

After completing this action, your iPhone 15 will lock itself after the duration you’ve chosen, requiring you to unlock it to use it again. This feature prevents your phone from staying on and consuming battery power when you’re not actively using it.


Imagine this: you’re reading a fascinating article or attentively studying a recipe on your iPhone 15, and just as you’re about to get to the good part—poof!—your screen goes dark. Annoying, right? Well, you’re not alone. Many iPhone users experience the frustration of their screen timing out too quickly, but the good news is, it’s a simple fix.

Adjusting the screen timeout on your iPhone 15 is not only about avoiding interruptions. It’s also about saving battery life and maintaining the privacy and security of your device. Let’s face it, we’ve all had that moment where we’ve left our phone unattended, only for prying eyes to wander over. By managing the screen timeout settings, you keep your content to yourself.

This topic is incredibly relevant to anyone who owns an iPhone 15, from the tech-savvy to the casual user. Whether you’re looking to conserve battery, enhance security, or simply tailor your device to your personal usage habits, understanding how to adjust your screen timeout is a must-know. So, let’s get into the nitty-gritty of how to make this tweak and make your iPhone experience even better.

Step by Step Tutorial: Changing Screen Timeout on iPhone 15

Before you dive into the steps, know that modifying the screen timeout settings on your iPhone 15 will impact how long your display stays active when not in use. This can save battery life and add an extra layer of security to your device.

Step 1: Open Settings

Navigate to the “Settings” app on your iPhone 15.

The “Settings” app is your gateway to customizing your iPhone experience. It’s where you can adjust everything from your wallpaper to your privacy settings. For the task at hand, it’s the starting point to controlling how long your screen stays awake.

Step 2: Tap on Display & Brightness

Scroll down and tap on the “Display & Brightness” menu option.

“Display & Brightness” is where you can tweak how your iPhone 15’s display behaves, whether it’s adjusting the brightness, changing the text size, or, as we’re focusing on today, setting the screen timeout duration.

Step 3: Select Auto-Lock

In the “Display & Brightness” settings, tap on “Auto-Lock.”

“Auto-Lock” is the feature that controls how long your iPhone’s screen stays active before it goes to sleep. It’s a handy setting that can help you manage your battery consumption and protect your privacy.

Step 4: Choose Your Preferred Duration

Select the duration you want for your screen timeout from the options provided.

You’ll find several options ranging from 30 seconds to Never, allowing you to customize the timeout to your preference. Whether you’re a quick checker or a slow reader, there’s an option that will suit your style.


Battery ConservationAdjusting the screen timeout to a shorter duration can help conserve your iPhone 15’s battery life, as the screen is one of the biggest power consumers.
Enhanced PrivacyA shorter screen timeout means your personal information is displayed on the screen for a lesser duration, reducing the chances of someone else viewing it.
Less Screen WearReducing the screen timeout can also lead to less wear on the screen over time, potentially extending the life of your iPhone’s display.


Possible InterruptionsA shorter screen timeout could lead to frequent interruptions, especially if you’re a slow reader or are multitasking.
InconvenienceIf you’re using your phone for tasks like following a recipe or reading an e-book, a quick screen timeout could become bothersome.
Manual UnlockingEach time the screen times out, you’ll need to manually unlock your phone, which could be inconvenient for some users.

Additional Information

When it comes to managing your iPhone 15, every little setting counts. The screen timeout feature is more than just a timer; it’s a way to tailor your device to your lifestyle. Do you work in a fast-paced environment where you’re constantly checking your phone? A 30-second timeout might be perfect for you. Or maybe you use your phone for leisurely reading or cooking, and a longer duration would be more suitable.

Remember, the screen timeout setting is not a one-size-fits-all. It’s a preference that you can change as often as needed. Additionally, keep in mind that if you select “Never”, your screen won’t turn off automatically, which can be useful in certain situations but can also quickly drain your battery if forgotten.

Lastly, don’t forget that your iPhone 15’s screen will still turn off if the battery is low, regardless of your auto-lock settings, as a means to conserve power. So, don’t be alarmed if your screen suddenly goes black when you’re running on fumes; it’s just your iPhone trying to hang on a little longer.


  1. Open the “Settings” app on your iPhone 15.
  2. Locate and select “Display & Brightness”.
  3. Tap on “Auto-Lock”.
  4. Choose the duration that best fits your needs.

Frequently Asked Questions

What is screen timeout?

Screen timeout is the amount of time that passes before your phone’s screen goes to sleep after you’ve stopped interacting with it.

Can changing screen timeout affect my battery life?

Yes, adjusting your screen timeout can have a noticeable impact on your battery life. A shorter timeout can help conserve battery power.

Is there a way to keep my screen on indefinitely?

Yes, by selecting “Never” in the Auto-Lock settings, your screen will not turn off automatically. However, this could lead to battery drain if not monitored.

Will my screen still turn off if I’m watching a video or on a call?

Typically, your screen won’t timeout while you’re actively using it, like during a video playback or a phone call.

Can I change screen timeout for specific apps?

No, the screen timeout setting is a global setting that affects all apps equally on your iPhone 15.


Mastering the simple act of changing the screen timeout on your iPhone 15 can significantly enhance your user experience. Not only does it give you more control over your device’s functionality and battery life, but it also adds an extra layer of privacy.

Whether you’re an avid reader or just someone who likes to have their phone on display, knowing how to adjust this setting is crucial. Don’t let a dark screen disrupt your flow; tweak that timeout and make your iPhone work for you. So, have you changed your screen timeout yet?