How to Save Battery on Any iPhone Model

One of the most common issues for smartphone users is fast battery drain. Fortunately, iPhones offer many built-in power-saving options that significantly extend daily usage time—especially on models with OLED displays, where black pixels remain completely off.

Below are the most effective battery-saving methods for all iPhone models, especially iPhone X and later devices.

1. Enable Dark Mode

On OLED iPhones, black areas of the screen consume almost zero power.
Dark Mode reduces power usage while improving visual comfort.

Settings → Display & Brightness → Dark

2. Use a Dark Wallpaper

A black or darker wallpaper reduces the number of active pixels, resulting in noticeable battery savings on OLED models.

3. Use “Smart Invert” for Apps Without Dark Mode

Smart Invert reverses UI colors to mimic Dark Mode while keeping photos and videos unchanged.

Settings → Accessibility → Display & Text Size → Smart Invert

4. Keep Auto-Brightness Enabled

Auto-Brightness prevents unnecessary power consumption by adjusting screen brightness according to ambient light.

5. Limit Background App Refresh

Background activities drain battery even when apps are not in use.

Settings → General → Background App Refresh

Turn it off for apps you don’t need running in the background.

6. Turn On Low Power Mode

Low Power Mode reduces system animations, background downloads, and mail fetch, saving up to 30% battery.

7. Optimize Location Services

Restrict location access to only essential apps.

Settings → Privacy → Location Services

8. Adjust 5G Settings

5G Auto mode balances speed with battery efficiency.

Settings → Cellular → Voice & Data → 5G Auto

9. Monitor Battery Health

Regularly check battery health levels to manage performance and decide when a replacement may be needed.