From the Settings app, scroll to and tap StandBy.
Tap or slide the StandBy switch to ON.
From here you can select your preferences. The following step is only available to iPhone 14 Pro and later models.
Tap or slide the Always On switch to ON.
When enabled, Always On will intelligently turn off when not in use. when attention is detected, your iPhone will not put your display to sleep.
You've completed the steps!
