Locking your iPhone 15 screen is a straightforward process that ensures your device stays secure when you’re not using it. You can quickly lock the screen by pressing a single button, and you’ll also learn how to unlock it using Face ID or a passcode. Let’s dive into the steps to keep your iPhone 15 safe and sound.
How to Lock Screen on iPhone 15
Locking your iPhone 15 screen is essential for protecting your personal information. By following these steps, you’ll be able to lock and unlock your device with ease.
Step 1: Press the Side Button
To lock your iPhone 15, simply press the Side button once.
The Side button, located on the right-hand side of your iPhone, is your go-to for locking the screen. A quick press will do the trick, turning off the display and securing your phone.
Step 2: Unlock with Face ID or Passcode
To unlock, swipe up from the bottom of the screen and use Face ID, or enter your passcode if Face ID is unavailable.
Face ID is a convenient feature that lets you unlock your iPhone with just a glance. If you’re wearing a mask or in low light, a passcode serves as a reliable backup.
Step 3: Adjust Auto-Lock Settings
Navigate to Settings > Display & Brightness > Auto-Lock to change how long it takes for your screen to lock automatically.
Adjusting auto-lock settings helps you save battery and keep your device secure. You can set it from 30 seconds up to 5 minutes, depending on your preference.
Step 4: Enable Raise to Wake
Turn on Raise to Wake in Settings > Display & Brightness to wake the screen by simply lifting your iPhone.
Raise to Wake is a nifty feature that lets you quickly check notifications or time without pressing any buttons.
Step 5: Set Up Attention Awareness
Enable Attention Awareness in Settings > Face ID & Passcode to make your iPhone more intuitive.
Attention Awareness requires you to be looking at your phone for Face ID to work, adding an extra layer of security.
Once you’ve locked your screen, your iPhone 15 will keep your data safe and sound. Unlocking with Face ID or a passcode lets you access all your features without any hassle.
Tips for Locking Screen on iPhone 15
- Use Widgets Wisely: Widgets on the lock screen can be helpful, but limit them to avoid unnecessary distractions.
- Update Regularly: Keep your iPhone updated with the latest software to ensure all security features are current.
- Customize Control Center: Adjust the Control Center settings so you can access essential features without unlocking your phone.
- Enable Find My iPhone: This feature allows you to locate your device if it’s lost or stolen.
- Consider Privacy Screen Protectors: These can prevent others from viewing your screen in public settings.
Frequently Asked Questions
Can I change the Side button function?
No, the Side button is specifically designed to lock your iPhone screen.
How do I disable Raise to Wake?
Go to Settings > Display & Brightness and toggle off Raise to Wake.
What if Face ID isn’t working?
Try cleaning your camera lens or re-registering your face in the Face ID settings.
How do I set a strong passcode?
Select a six-digit passcode instead of four digits for added security.
Can I lock specific apps?
Currently, iPhone doesn’t support locking individual apps without third-party software.
Summary
- Press the Side button.
- Unlock with Face ID or passcode.
- Adjust Auto-Lock settings.
- Enable Raise to Wake.
- Set up Attention Awareness.
Conclusion
Locking the screen on your iPhone 15 is more than just a simple action—it’s your first line of defense in maintaining privacy and security. Whether you’re stepping away for a moment or ensuring your device is safe in a crowded place, these steps and tips help you make the most of your phone’s security features.
Consider exploring more about Apple’s ecosystem to further enhance your device’s usability and safety. With technology evolving rapidly, staying informed about your iPhone’s features can make a significant difference in how you interact with your device daily.
As you become more familiar with these functionalities, your confidence in managing your iPhone grows. Who knows? You might even become the go-to tech whiz among your friends! Keep exploring, stay secure, and enjoy the peace of mind that comes with knowing your iPhone is in safe hands.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.