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How to Change Auto-Lock Time on iOS 27

Open Settings > Display & Brightness > Auto-Lock and choose a duration. If only 30 seconds is available, turn off Low Power Mode first.

Step 1

Open Settings from the Home Screen

iPhone Home Screen with the Settings app in the third row
Tap the gray Settings icon on your Home Screen.

Before you begin: An unlocked iPhone running iOS 27.

Find and tap the Settings app on your Home Screen. Its icon looks like a gray gear.

Step 2

Open Display & Brightness

iPhone Settings showing Display & Brightness
Tap Display & Brightness in Settings.

Open Settings on your iPhone, then tap Display & Brightness.

Step 3

Open Auto-Lock

Display & Brightness with Auto-Lock set to 5 minutes
Tap Auto-Lock to choose the screen timeout.

Tap Auto-Lock. The current delay appears next to the setting.

Step 4

Choose your preferred delay

Auto-Lock duration choices with 5 minutes currently selected
Choose a duration. This iPhone currently has 5 minutes selected.

Tap a duration, such as 2 minutes. A checkmark identifies your selection. Return to Display & Brightness to confirm the new value.

Step 5

If Auto-Lock is limited to 30 seconds

iPhone Battery settings with Low Power Mode off
On iPhone 14 Pro Max, Low Power Mode is in Settings > Battery.

Low Power Mode sets Auto-Lock to 30 seconds. To choose another delay, turn Low Power Mode off, then return to Auto-Lock.

On iPhone 15 and later, open Settings > Battery > Power Mode. On iPhone 14 and earlier, open Settings > Battery. Turn off Low Power Mode.

Reference

By ProgramGuru

Published: 2026-10-13

Updated: 2026-10-14

Instructions reviewed against Apple documentation on 2026-10-14.

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