1. Touch Settings.
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.
2. Scroll to and touch Display & Brightness.
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.
3. Scroll to and touch Auto-Lock.
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.
4. Touch the desired option (e.g., 1 Minute).
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.
5. Touch Back.
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.
6. The setting has been changed.
To help save battery power, you can choose a lower screen timeout setting on your Apple iPhone 5s.