From the Home screen, tap Settings.Step 1/8
Scroll to Display & Brightness.Step 2/8
Tap Display & Brightness.Step 3/8
Tap Auto-Lock.Step 4/8
Select your Auto-Lock preferences.
Note: Decrease the Auto-Lock time to help extend iPhone battery life and increase security.Step 5/8
Tap Back.Step 6/8
Select your brightness preference.
Note: Decrease your brightness to help extend iPhone battery life.Step 7/8
- Step 8 of 8:
You've completed the steps!Step 8/8