Lesson 9: How to save iphone's *crappy* battery

Hasil googling.

1. Turn off Background Refresh for apps you don't care about. 
Go to Settings > General > Background App Refresh, and either turn it off globally, or deactivate it for certain apps

2. Disable as many notifications as possible. 
Head to Settings > Notification Center, scroll down to Include and Do Not Include, tap a given category (Phone, Messages, Reminders) or app (Facebook, Twitter, etc.), and choose as few notifications as possible.

3. Turn off Location Services and Frequent Locations. 
Head to Settings > Privacy > Location Services to cap this behavior. You can tap the On/Off slider next to Location Services to turn all of them off

4.Stop quitting your apps in multitasking
itu loh yang tap home 2x

5. Disable push email temporarily

6. Turn off battery percentage

7. Turn on Auto-Brightness
Find it in the Settings app -> Brightness & Wallpaper -> Auto-Brightness On

8. Reduce Screen Brightness
Find it in Settings -> Brightness & Wallpaper

9. Stop Motion (iOS 7)
Find it in Settings -> General -> Accessibility -> Reduce Motion -> move slider to green/on

10. Turn Off Other Location Settings (iOS 5 and up)
Find it in Settings -> Privacy -> Location Services -> System Services -> Turn off Diagnostics & Usage, Location-Based iAds, and Setting Time Zone

11. Fetch data manually, or set fetch data to "hourly."
navigate to Settings → Mail, Contacts, Calendars → Fetch New Data → Manually/Hourly.

12. Turn off push mail when you're not using it.
Navigate to Settings → Mail, Contacts, Calendars → Fetch New Data, and setPush to Off.

13. Let your phone complete at least one charge cycle each month. A charge cycle is when you charge the phone to 100% and let the battery power drain completely, after which you charge it again. Going through a charge cycle per month keeps the electrons in the iPhone lithium battery properly greased, so to speak. (asli gak ada waktu gue buat satu ini)

14. Kill Paralax.
Turn it off by going to Settings → General → Accessibility → Reduce Motion. Turn Reduce Motion on.