iPhone 16 battery drains too fast

Turn off “Always-On Display”

• Settings → Display & Brightness → Always-On Display → OFF
• This saves a lot of battery.

Disable Background App Refresh

• Settings → General → Background App Refresh → Off
• Or choose Wi-Fi only.

Turn Off Location for Unnecessary Apps

• Settings → Privacy → Location Services
• Set most apps to While Using or Never.

Turn Off Live Activities

Live Activities (like Uber tracking, cricket scores) drain battery.

• Settings → Face ID & Passcode → Live Activities → Off
• Also disable per-app in Settings → [App] → Live Activities

Reduce Liquid Glass (iOS 26 issue)

Liquid Glass animations increased battery usage on new models.

• Settings → Accessibility → Display & Text Size → Reduce Transparency: ON
• Increase Contrast: ON

This helps performance + battery.

Charging & Battery Health Tips

Turn on Optimized Charging

• Settings → Battery → Battery Health & Charging → Optimized Battery Charging
• Check Battery Health
• Settings → Battery → Battery Health & Charging
• If Maximum Capacity is below 88%, you’ll see faster drain.

This may help: Prolong and Maximise Battery Performance … - Apple Community