If everything is working as normal and you simply want to click off the screen, you do that by clicking the ‘Power’ button one time. If your issue is more along the lines of the screen not turning off when you expect it to (automatically) there are several steps you can follow. These include adjusting the Always-On Display settings, changing the Auto-Lock settings, and considering the impact of Low Power Mode:
- Disabling Always-On Display on iPhone 15 Pro & 15 Pro Max:
- If you have an iPhone 15 Pro or Pro Max, it may be equipped with an Always-On Display feature. To turn this off, go to
Settings
>Display & Brightness
. Scroll down to find theAlways On Display
option and turn off the toggle next to it. This action ensures that your screen turns off when the device is locked or left idle.
- If you have an iPhone 15 Pro or Pro Max, it may be equipped with an Always-On Display feature. To turn this off, go to
- Adjusting Auto-Lock Settings:
- For any iPhone model, including the iPhone 15, the screen turning off is usually managed by the Auto-Lock feature. You can adjust this by going to
Settings
>Display & Brightness
>Auto-Lock
. Here, you can select the duration after which you want the screen to turn off automatically. The shorter the time, the quicker your screen will turn off when idle. If Low Power Mode is enabled, Auto-Lock will be set to 30 seconds by default.
- For any iPhone model, including the iPhone 15, the screen turning off is usually managed by the Auto-Lock feature. You can adjust this by going to
- Considerations for Low Power Mode:
- When Low Power Mode is enabled, it automatically adjusts several settings, including the Auto-Lock feature, to conserve battery life. If you find that your screen is turning off too quickly, check to see if Low Power Mode is activated. You can toggle Low Power Mode on or off in
Settings
>Battery
.
- When Low Power Mode is enabled, it automatically adjusts several settings, including the Auto-Lock feature, to conserve battery life. If you find that your screen is turning off too quickly, check to see if Low Power Mode is activated. You can toggle Low Power Mode on or off in
By following these steps, you should be able to manage how and when your iPhone 15 screen turns off, whether you’re looking to conserve battery life or just prefer the screen to turn off sooner or later. If these steps don’t resolve your issue, it may be worthwhile to consult with Apple Support or visit an Apple Store for further assistance.

Hi! I’m Eric and I work on the knowledge base at GadgetMates.com. You can see some of my writings about technology, cellphone repair, and computer repair here.
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